Find y '.y = 
A. 2x + 
B. 2x + 
C. 2x + 
D. 2x - 
Answer: B
Mathematics
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Solve the problem.The foundation for a cylindrical fountain is a cylinder 14 yd in diameter and 5 yd high. How many cubic yd of concrete are needed to build the foundation (to the nearest hundredth)?
A. 769.30 yd3 B. 3077.20 yd3 C. 439.60 yd3 D. 1538.60 yd3
Mathematics
Solve the problem.Let f(x) = 
. Find a function y = g(x) so that (f ? g)(x) = 
.
A. g(x) = x2 + 5 B. g(x) = 2x C. g(x) = x2 - 5 D. g(x) = x2
Mathematics
Subtract.857
A. 1,291 B. 415 C. 423 D. 323
Mathematics
Solve.If y varies directly as x, and y = 3 when x = 2, find y when x = 8.
A. 
B. 12
C. 
D. 
Mathematics