Subtract.(10x2 + 8) - (-x3 + 7x2 - 9)
A. 11x3 + 15x2 + 9
B. x3 + 17x2 - 1
C. 11x3 + 7x2 + 17
D. x3 + 3x2 + 17
Answer: D
Mathematics
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Solve the problem.A water tank is formed by revolving the curve y = 3x4 about the y-axis. Find the volume of water in the tank as a function of the water depth, y.
A. V(y) = 
y1/2
B. V(y) = 
y3/2
C. V(y) = 
y3/2
D. V(y) = 
y9
Mathematics
Perform the indicated operation and simplify. :  figure 1.png)
What will be an ideal response?
Mathematics
Solve the right triangle.
A = 44°, b = 47.8
A. B = 44°, a = 34.4, c = 46.2 B. B = 46°, a = 46.2, c = 66.4 C. B = 46°, a = 49.5, c = 68.8 D. B = 44°, a = 49.5, c = 34.4
Mathematics
Express f(x) in complete factored form.f(x) = x3 + 2x2 + 5x + 10
A. f(x) = (x + 2i)(x + 
)2
B. f(x) = (x + 2)(x + i
)(x - i
)
C. f(x) = (x + 1)(x + i
)(x - i
)
D. f(x) = (x + 2)(x + i
)2
Mathematics