Determine whether f(x) represents a polynomial function.f(x) = 0.4x6 - 8.2
A. Yes
B. No
Answer: A
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The function f is one-to-one. Find its inverse.f(x) = (x + 2)3 - 8.
A. f-1(x) = 
- 2
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
+ 8
Provide an appropriate response.The function that gives the effective rate that corresponds to an annual rate of x interest compounded continuously is y = ex - 1. Graph this on your graphing calculator in the window 
×
and discuss what the behavior means.
What will be an ideal response?
Use Cramer's rule to solve the linear system.7x - 2y + 4z = 214x + 9y - 6z = 242x - 3y - 4z = -4
A. (3, 2, 1) B. (3, -2, -1) C. (2, 1, 2) D. (4, 0, 1)
The equation has a solution r in the interval indicated. Approximate this solution correct to two decimal places.x4 - x3 - 7x2 + 5x + 10 = 0; -3 ? r ? -2
Fill in the blank(s) with the appropriate word(s).