Find the area of the circle. Use 3.14 or
for ? as indicated.Find the exact value of the area. (Leave answer in terms of ?.)
A. 9? cm2
B. 81? cm2
C. 18? cm2
D. 162? cm2
Answer: B
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Sketch the graph and show all local extrema and inflection points.y = x4
A. Local maximum:
Local minimum: (10, 0)
Inflection point:
B. Absolute maximum:
Absolute minimum: (10, 0)
Inflection points:
C. Local maximum:
Local minimum: (10, 0)
Inflection points: , (10, 0)
D. Absolute minimum: (10, 0)
No inflection points
Perform conversions between percents, decimals, and fractions to complete chart. Write any repeating decimals with as few digits as possible.
A.
B.
C.
D.
State the degree and leading coefficient of the polynomial function.f(x) = 19 + 14x + 10x2 - 19x3 - 18x4
A. Degree: 4; leading coefficient: 19 B. Degree: 4; leading coefficient: -18 C. Degree: 19; leading coefficient: -18 D. Degree: 3; leading coefficient: -19
Find the intercepts of the function f(x).f(x) = (x + 3)(x - 5)(x + 5)
A. x-intercepts: -3, -5, 5; y-intercept: 75 B. x-intercepts: -3, -5, 5; y-intercept: -75 C. x-intercepts: -5, 5, 3; y-intercept: -75 D. x-intercepts: -5, 5, 3; y-intercept: 75