# Questions on Algebra: Exponent and logarithm as functions of power answered by real tutors!

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 Algebra: Exponent and logarithm as functions of power Solvers Lessons Answers archive Quiz In Depth

 Question 327309: where does this function cross the x-axis and describe the end behaviors? f(x)=(x-1)^3 (x+1) Click here to see answer by Fombitz(13828)

 Question 327302: y=-log4(x+4) State the equation of the line asymptotic to the graph ( if any). Click here to see answer by Fombitz(13828)

 Question 327311: evaluate 5th root of 1540 to three decimal places Click here to see answer by Fombitz(13828)

 Question 327323: Graph the function, showing all asymptotes as dashed lines. list the x and y intercepts. f(x)=x-4/x+5. So far I have that the x intercept is (4,0) and the y-intercept is (0,-4/5). I'm not sure how to graph this or find the asymptotes. Click here to see answer by Fombitz(13828)

 Question 327383: Rewrite each expression in expanded form: ln(x^3 y^4) Click here to see answer by Fombitz(13828)

 Question 327409: express each term with positive exponents only: (3x)^-3 I personally think it would be 27/x^3 Click here to see answer by Alan3354(30993)

 Question 327583: The hydrogen ion concentration H+ of a substance is about 6.0 x 10^-7 moles per liter. Find the pH. Round to the nearest tenth. Use the formula pH=-log[H+] a.)6.2 b.)-7.8 c.)7.8 d.)6.6 Click here to see answer by scott8148(6628)
 Question 327583: The hydrogen ion concentration H+ of a substance is about 6.0 x 10^-7 moles per liter. Find the pH. Round to the nearest tenth. Use the formula pH=-log[H+] a.)6.2 b.)-7.8 c.)7.8 d.)6.6 Click here to see answer by Fombitz(13828)

 Question 328138: Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this. log7x = 5 Click here to see answer by edjones(7569)
 Question 328138: Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this. log7x = 5 Click here to see answer by Alan3354(30993)

 Question 328529: Find the logarithm using the change-of-base formula. Round to the nearest ten-thousandth for log6.4 39 Click here to see answer by Alan3354(30993)
 Question 328529: Find the logarithm using the change-of-base formula. Round to the nearest ten-thousandth for log6.4 39 Click here to see answer by solver91311(16885)

 Question 328591: State the domain and the range of the exponential function f(x)=e^x. Click here to see answer by stanbon(57352)
 Question 328591: State the domain and the range of the exponential function f(x)=e^x. Click here to see answer by solver91311(16885)

 Question 328844: Solve log4 (m - 3) + log4 (m + 3) = 2 a. sqrt 11 b. 5 c. 1 d. -5.5 Click here to see answer by Fombitz(13828)

 Question 328842: Solve (1/81)^t = 243^t-2 a. 9/2 b. 10/9 c. 2/9 d. 9/10 Click here to see answer by Fombitz(13828)

 Question 328843: Use (almost equal to) 0.4307 and (almost equal to) 0.6826 to approximate the value of (what it's almost equal to). Click here to see answer by Edwin McCravy(8909)

 Question 328864: Find a symbolic representation for q^-1(x) identify the domain and rage of q^-1(x) q(x)=(x-2)^2, x>_ 2 Either I was out to lunch for this one or I am making it way to hard... Click here to see answer by solver91311(16885)

 Question 328969: Find the indicated value of the log function: log 6(36) 'The 6 is 'lower case' Click here to see answer by stanbon(57352)

 Question 329086: what is the least common denominator of A squared & B squared.? Click here to see answer by Fombitz(13828)

 Question 329339: Im not to sure if I have my answer right. this is using the power of pwoer rule. the problem is: -5y4(y5)2/15y7(y2)3 my solution was: -5y4*y10/15y7*y6 -5y6/15y13 -1/3y7 answer Click here to see answer by Fombitz(13828)

 Question 329560: How would I find x? My problem is (1/4)^(x-1)=32^(x+3). I've tried plugging in numbers but my teacher showed us a formula I think but I never understood it. Click here to see answer by stanbon(57352)

 Question 329564: How do I solve exponential equations and inequalities? Click here to see answer by stanbon(57352)

 Question 330024: 4.5 times 10 to the 7th power times 3.2 times 10 to the 5th power Click here to see answer by stanbon(57352)
 Question 330024: 4.5 times 10 to the 7th power times 3.2 times 10 to the 5th power Click here to see answer by checkley77(12569)

 Question 329972: Use common logarithms to approximate log9 207 to four decimal places. Click here to see answer by Fombitz(13828)

 Question 329970: Use th equation of the exponential function whose graph passes through the points (0, -2) and (2, -50) to find the value of y when x = -2 Click here to see answer by Fombitz(13828)

 Question 330066: A twenty-five foot ladder just reaches the top of a house and forms an angle of 41.5degree with the wall of the house. how tall is the house? Round your answer to the nearest 0.1 foot Click here to see answer by mananth(12270)

 Question 330191: How would I solve this equations and round it to the nearest thousandth. 1n (m+8) - 1n m = 1n 3 I know the answer is 4 I just don't understand how to get to that. Please help. Click here to see answer by Fombitz(13828)

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