Tutors Answer Your Questions about Exponential-and-logarithmic-functions (FREE)
Question 77618: i need some help can some please help me .And thanks in advance .
How can translate to algebra statement ;do not solve :
Three times the difference of five and a twice a number yields the same result as the same number increased by four .
Thanks for helpimg me .
Click here to see answer by stanbon(57282)  |
Question 78840: Match each equation with the transformation that occurs from y=2^x
- A. y = -(2)^x
- b. y = 2^(x-3)
- c. y = 2^x + 3
- d. y = 2^(x+3)
- e. y = 2^x - 3
1. shifted right 3 units
2. shifted left 3 units
3. shifted up 3 units
4. shifted down 3 units
5. flipped across the x axis
6. flipped across the y axis
Click here to see answer by stanbon(57282) |
Question 78926: Solve for the variable. Round any decimal answers to the nearest hundredth. Do not use spaces or capital letters in your answer. use ^ to denote exponents and do NOT use spaces)
log(3)5=x
x=[log5]/[log3]
x=1.465
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Cheers,
Stan H
Click here to see answer by stanbon(57282) |
Question 79329: According to the CDC, if one member of the household contracts the chickenpox, 90% of family member who have never had the disease or a vaccine will contract the chickenpox. Suppose four members are exposed for the first time. What is the probability that three or fewer family members contract the chickenpox?
Click here to see answer by stanbon(57282) |
Question 79504: I really need some help on this question.
from the information in the table providing values of f(x) and g(x), evaluate (f o g)^-1(3)
x 1 2 3 4 5
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f(x) 5 3 5 1 2
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g(x) 4 5 1 3 2
a. 1
b. 2
c. 4
d. 5
Click here to see answer by Edwin McCravy(8893)  |
Question 79522: I really need help with this one. I am trying to plug in numbers and i am not getting it.
The amount of a radioactive tracer remaining ater t days is given by A=Aoe^-0.18t, where Ao is the starting amount at the beginning of the time period. How much should be acquired now to have 40 grams remaining after 3 days?
a. 47.9 gm
b. 48.8 gm
c. 61.6 gm
d. 68.6 gm
Click here to see answer by stanbon(57282) |
Question 79656: Please help me with this problem.I am having a lot of issues with these types of problems.I tried plugging in 200 for P and 3 for t but I still cant get it right.
The population P of a certain culture is expected to be given by a model P=100e^rt where r is a constant to be determined and t is the number of days since the original population is expected to reach 200 in 3 days.
a. 0.231
b. 0.549
c. 1.098
d. 1.50
Click here to see answer by ankor@dixie-net.com(15645)  |
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