Find the inverse of the function.f(x) = e-x + 4
A. f-1(x) = -ln(x - 4)
B. f-1(x) = ln(4) - ln(x)
C. f-1(x) = ex - 1/4
D. f-1(x) = -ex - 4
Answer: A
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Find the Cartesian product.A = {8, 4, 11}B = {14, 15}Find A × B.
A. {(8, 14), (4, 15)} B. {(8, 14), (8, 15), (4, 14), (4, 15), (11, 14), (11, 15)} C. {(8, 14), (4, 11), (11, 14)} D. {(14, 8), (14, 4), (14, 11), (15, 8), (15, 4), (15, 11)}
The earth rotates through one complete revolution every 24 hours. Since the axis of rotation is perpendicular to the equator, you can think of a person standing on the equator as standing on the edge of a disc that is rotating through one complete revolution every 24 hours. Find the angular velocity of a person standing on the equator. ?
A. 0.262rad/hr B. 0.267rad/hr C. 0.278rad/hr D. 0.279rad/hr E. 0.274rad/hr
Add or subtract as indicated. Write the answer in simplest form.- 
- 
A. - 
B. 
C. - 
D. 
Find the root. Assume that all variables represent positive numbers.
A. 72m16n14 B. 12m16n14 C. 72m9n8 D. 12m9n8