Solve the equation.(x - 2)(x2 + 2x - 63) = 0
A. {-2, -7, 9}
B. {-2}
C. {2}
D. {2, 7, -9}
Answer: D
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Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos x and the x-axis from x = 0 to 
. The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.
A. 
?
B. 6?
C. 
?
D. 
?
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. No x-intercepts, y-intercept: 
;
B. No x-intercepts, y-intercept: 
;
C. No x-intercepts, y-intercept: 
;
D. No x-intercepts, y-intercept: 
;
Write the described ratio in fractional form and simplify.Of a family's $786 weekly income, $79 usually goes toward groceries. Write as a ratio--amount spent on groceries : weekly income.
A. 
B. 
C. 
D. 
The total gain for the system below is:
a. 6.67 b. -1.98 c. 6.24