Find the value of the exponential expression.(0.5)4
A. 0.0625
B. 2
C. 0.125
D. 625
Answer: A
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Solve the problem.The intensity L(x) of light x ft beneath the surface of a lake satisfies the differential equation 
. At what depth, to the nearest foot, is the intensity one tenth the intensity at the surface?
A. 13 ft B. 17 ft C. 26 ft D. 38 ft
Find the selling price per item to the nearest cent.Total cost: $97Quantity: 30Unsaleable: 7% Markup on selling price: 40%
A. $5.39 B. $3.01 C. $2.31 D. $7.03
In calm waters oil spilling from the ruptured hull of a grounded tanker spreads in all directions. If the area polluted is a circle and its radius is increasing at a rate of 3 ft/sec, determine how fast the area is increasing when the radius of the circle is 55 ft.
What will be an ideal response?
Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 7x, g(x) = 
A. No, no B. Yes, no C. Yes, yes D. No, yes