Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = 3x2 - x3
A. 0, touches the x-axis and turns around;
3, touches the x-axis and turns around
B. 0, touches the x-axis and turns around;
, crosses the x-axis;
-
, crosses the x-axis
C. 0, touches the x-axis and turns around;
3, crosses the x-axis
D. 0, crosses the x-axis;
, crosses the x-axis;
-
, crosses the x-axis
Answer: C
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Find the area of the shaded region in the figure. Round results to the nearest unit.A small circular pool is enclosed in a square. Find the area inside the square but outside the circle.4.0 m
A. 13 m2 B. 19 m2 C. 3.4 m2 D. 50 m2
Evaluate.-
2
A. - 
B. - 
C. - 
D. -
For the pair of functions, perform the indicated operation.f(x) = 3x + 8, g(x) = 4x + 6
Find (f ? g)(x).
A. 12x2 + 50x + 48 B. 12x2 + 48 C. 12x2 + 38x + 48 D. 7x2 + 50x + 14
Solve the problem.Use the graph of f to estimate the local maximum and local minimum.
A. Local maximum: 0 and 1; local minimum: 0 and -1 B. Local maximum: 0 and 1; local minimum: -1 C. Local maximum: 1; local minimum: 0 and -1 D. Local maximum: 1; local minimum: -1