Determine whether the function is invertible by inspecting its graph on a graphing calculator.f(x) = 
- 
A. Yes
B. No
Answer: B
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Find the quadratic approximation of f at x = 0.f(x) = tan 8x
A. p2(x) = 1 + 8x2 B. p2(x) = 1 + 4x2 C. p2(x) = 1 - 4x2 D. p2(x) = 8x
Find a logistic function that describes the population. Graph the population function.The population increases from 50 to 70 in the first month and eventually levels off at 150.
A. P = 
B. P = 
C. P = 
D. P = 
Solve using Cramer's rule.-2x - 2y = -34-2x + 3y = 11
A. (-8, -9) B. (-9, 8) C. (9, 8) D. (8, 9)
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How long did it take her to walk a mile?1.5 minutes
A. Reasonable B. Unreasonable, should be 1500 minutes C. Unreasonable, should be 15 minutes D. Unreasonable, should be 150 minutes