For the function f, construct and simplify the difference quotient 
.f(x) = 2|x| + 9x
A. 
B. -10h
C. 
D. -8h
Answer: C
Mathematics
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Use a sum-to-product identity to rewrite the expression.cos (7y2 - 10) + cos (4y2 - 4)
A. - 2
B. 2
C. 2
D. 2
Mathematics
Graph the function.y = cos 
A. 
B. 
C. 
D. 
Mathematics
Find functions f and g so that f ? g = H.H(x) = ?2x + 8?
A.
| f(x) = ?x?; | g(x) = 2x + 8 |
B.
| f(x) = ?-x?; | g(x) = 2x - 8 |
C.
| f(x) = x; | g(x) = 2x + 8 |
D.
| f(x) = -?x?; | g(x) = 2x + 8 |
Mathematics
Solve the problem.A constant force F = 25i + 35j moves an object from the point P = (10, 8) to the point Q = (3, 30), where units are in pounds and feet. Find the work done by the force.
A. 595 ft-lb B. -30 ft-lb C. 30 ft-lb D. 550.8 ft-lb
Mathematics