Solve the equation.log2
= x
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.The radius of a ball is claimed to be 4.5 inches, with a possible error of 0.05 inch. Use differentials to approximate the maximum possible error in calculating the volume of the sphere and the surface area of the sphere.
A. 1.8? in.3; 4.05? in.2 B. 0.9? in.3; 18? in.2 C. 4.05? in.3; 1.8? in.2 D. 8.1? in.3; 3.6? in.2
Solve the problem.The number of centimeters, d, that a spring is compressed from its natural, uncompressed position is given by the formula d = 
, where W is the number of joules of work done to move the spring and k is the spring constant. Solve this equation for W. Use the result to determine the work needed to move a spring 3 centimeters if it has a spring constant of 0.6.
A. W = 
; 30 joules
B. W = 
; 2.7 joules
C. W = 
; 0.8 joules
D. W = 2d2k; 10.8 joules
Determine whether the test point is a solution to the linear inequality.(2, -6), x - y ? 9
A. Yes B. No
Find a rational function that satisfies the given conditions. Answers may vary, but try to give the simplest answer possible.Vertical asymptotes x = -7, x = -3; horizontal asymptote y = - 
; x-intercept (1, 0)
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 