The following figure has perimeter, circumference, or area as indicated. Find the value of x. Use 3.14 as an approximation for ?.A = 18.0864
A. 2.4
B. 1.2
C. 4.8
D. 5.76
Answer: A
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Solve for x using an equivalent exponential expression.A gelatin mold is in the shape of a hemisphere (half-sphere). If its diameter is 2 inches, find the exact volume of gelatin that 
will hold.
A. 24? cu in.
B. 
? cu in.
C. 16? cu in.
D. 32? cu in.
Find dy.y = 2x4 + 2x3 - 4x2 + 3
A. (8x3 + 6x2 - 2x) dx B. (8x3 + 6x2 - 8x) dx C. (4x3 + 3x2 - 8x) dx D. (2x3 + 2x2 - 4x) dx
Because of their connection with secant lines, tangent lines, and instantaneous rates, limits of the form
occur frequently in calculus. Evaluate this limit for the given value of x and function f.f(x) = 
+ 10, x = 2
A. 
B. Does not exist
C. 
D. 
Find the indicated derivative. Assume that x is restricted so that ln is defined.
if y = ln (8x3 - x2)
A. 
B. 
C. 
D. 