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Tutors Answer Your Questions about Functions (FREE)
Question 63959: calculate the first derivative f'(x) for each of the following. Express your final answers using positive exponents
A. f(x)= 5/6x^3/4 + 5/6x^3/2 + 2/5x^3/2
B. f(x)=3/2x^3/2 + 3/2x^3/4 + 3/2x^2/3
C.f(x)= 5/6x^3/4 + 5/6x^3/2
I NEED HELP WITH THESE PROBLEMS...I WOULD APPRECIATE THE HELP..I'VE TRIED TO DO THEM BUT IT DOESN'T COME OUT RIGHT...
Click here to see answer by funmath(2873)   |
Question 63961: determine the critical numbers and the critical points for each of the following functions
A. f(x)= x^3 + 13x^2 + 7x - 165
B. g(x)= X^3 +6x^2 - 13x - 42
C. h(x)= x^3-10x^2 + 7x + 18
THESE PROBLEMS ARE TOUGH....I REALLY NEED HELP WITH THEM...I TRIED DOING THEM BUT THE ANSWERS AREN'T RIGHT BECAUSE I KNOW THERE ARE SUPPOSED TO BE 2 ANSWERS 4 EACH BUT IM NOT SURE HOW TO GET THE SECOND NUMBER...PLEASE HELP...THANK YOU
Click here to see answer by funmath(2873) |
Question 64053: Science and medicine. Celsius temperature readings can be converted to
Fahrenheit readings using the formula E=9/5C+32. What is the Fahrenheit
temperature that corresponds to each of the following Celsius temperatures: -10,
0, 15, 100?
Click here to see answer by checkley71(8405) |
Question 64053: Science and medicine. Celsius temperature readings can be converted to
Fahrenheit readings using the formula E=9/5C+32. What is the Fahrenheit
temperature that corresponds to each of the following Celsius temperatures: -10,
0, 15, 100?
Click here to see answer by sarahschober(35) |
Question 63979: Work backward to solve.
Manuel's term paper is due on MArch 31. He began doing reasearch on March 1. He intends to continue doing reasearch for 3 times as long as he has done already. Then he will spend a week writing the paper and the remaining 3 days typing. What day is it?
Click here to see answer by 303795(562) |
Question 64272: The cost of producing a number of items x is given by
C = mx = b, in which b is the fixed cost and m is the variable cost (the cost of
producing one more item).
(a) If the fixed cost is $40 and the variable cost is $10, write the cost equation.
(b) Graph the cost equation.
Click here to see answer by funmath(2873) |
Question 64280: The revenue for a sandwich shop is directly proportional
to its advertising budget. When the owner spent $2000 a month on advertising, the
revenue was $120,000. If the revenue is now $180,000, how much is the owner
spending on advertising?
Click here to see answer by checkley71(8405) |
Question 64388: f(x)=x(x+3)(x-1), use interval notation to give all values of x where f(x)>0?????
here is what I got so far.
x=0, x=-3, x=1
I'm not sure where to go from here??? Some of the answer for example have (-3,0)U(1,0)
?????
Click here to see answer by stanbon(26297) |
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185
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