Solve the problem.Suppose that a circular coin has a circumference of C, a radius of r, and a diameter of d. Write C as a function of d.
A. C = 2?d
B. C = ?d
C. C = ?d2
D. C = 
Answer: B
Mathematics
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
C. 
+ cot x - 
D. 
Mathematics
Find the volume of the solid, rounded to the nearest integer where appropriate.Frustum of a pyramid
A. 30,855 cm3 B. 45,375 cm3 C. 52,635 cm3 D. 3630 cm3
Mathematics
Test the equation for symmetry with respect to the specified axis, line, or pole.r = 4 + 2 sin ?; the y-axis 
A. May or may not be symmetric about the y-axis B. Symmetric about the y-axis
Mathematics
Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The length of the hammer is 34 
.
A. mm B. km C. cm D. m
Mathematics