Find the composition. If f(x) = 7x and g(x) = x + 11, find (f ? g)(3).
A. 252
B. 32
C. 54
D. 98
Answer: D
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Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: portion of the cone x2 + y2 - z2 = 0 between z = 2 and z = 4Density: ? = 1
A. Iz = 240
B. Iz = 120
?
C. Iz = 240?
D. Iz = 120
Use power series operations to find the Taylor series at x = 0 for the given function.
A. 
B. 
C. 
D. 
Solve.A certain radioactive isotope decays at a rate of 0.125% annually. Determine the half-life of this isotope, to the nearest year.
A. 400 years B. 6 years C. 241 years D. 555 years
Solve.At the end of the day, a storekeeper had $1144 in the cash register, counting both the sale of goods and the sales tax of 4%. Find the amount that is the tax.
A. $34 B. $39 C. $44 D. $49