Decide whether or not the functions are inverses of each other.f(x) = 
, g(x) = 
A. Yes
B. No
Answer: A
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Provide an appropriate response.The numerator of the rebate fraction is the number of months remaining on a loan.
A. True B. False
Let 
?
Use a Riemann sum with four subintervals of equal length (
) to approximate the area of R (under the graph of f on the interval [0, 2]). Choose the representative points to be the left end points of the subintervals.
?
Repeat previous part with eight subintervals of equal length (
).
?
Compare the approximations obtained in previous parts with the exact area (4 sq units). Do the approximations improve with larger n?
?
A. 4.8 sq units; 4.4 sq units; yes
B. 4.4 sq units; 4.8 sq units; yes
C. 4.8 sq units; 4.4 sq units; no
D. 4.4 sq units; 4.8 sq units; no
The equation has a solution r in the interval indicated. Approximate this solution correct to two decimal places.x3 - 8x - 3 = 0; -3 ? r ? -2
Fill in the blank(s) with the appropriate word(s).
Solve by the substitution method.5x + 7y = 49 2x - 4y = -28
A. {(0, 7)} B. {(-1, 8)} C. ? D. {(0, 8)}