Find the indicated intercept(s) of the graph of the function.x-intercepts of f(x) = 
A. (8, 0)
B. (-3, 0)
C. (
, 0), (-
, 0)
D. none
Answer: D
Mathematics
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Solve the problem.Suppose that the radius r and volume V = 
?r3 of a sphere are differentiable functions of t. Write an equation that relates dV/dt to dr/dt.
A. 
= 4?r2
B. 
= 
?r2
C. 
= 3r2
D. 
= 4?
Mathematics
Solve the system of equations graphically using a graphing calculator. Find all values to the nearest tenth.y = 2x + 4xy = -2
A. x = 0.4, y = 4.8; x = -2.4, y = -0.8 B. x = 0.4, y = 4.8 C. x = -1.0, y = 2.0 D. No solution
Mathematics
Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Mathematics
Solve the equation. First simplify the expression by combining like terms.5(y + 4) = 6(y - 3)
A. {2} B. {-2} C. {38} D. {-38}
Mathematics