Use the even-odd identities to find the exact value of the expression. tan (-30°)
A. -
B. -
C.
D.
Answer: A
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Solve the problem.A right circular cylinder is obtained by revolving the region enclosed by the line x = r, the x-axis, and the line about the y-axis. Find the volume of the cylinder.
A. ?rh2 B. 2?r2h C. ?rh D. ?r2h
Use a calculator to solve the equation. Round to the nearest hundredth, if necessary.(m + 3.03)2 = 11.56
A. {2.92, -2.92} B. {0.37} C. {1.66, -5.14} D. {0.37, -6.43}
Describe the behavior of the function's graph at its x-intercepts.f(x) = (x - 1)(x + 7)
A. Does not cross at (1, 0) or (-7, 0) B. Crosses at (1, 0) and (-7, 0) C. Does not cross at (-1, 0) or (7, 0) D. Crosses at (-1, 0) and (7, 0)
Choose the graph that satisfies the given conditions.Polynomial of degree 3 with three distinct x-intercepts and a positive leading coefficient
A.
B.
C.
D.