Give the ordered pairs for the points labeled on the graph.
A. A(-3, 0); B(-6, -2)
B. A(3, 0); B(6, -2)
C. A(-3, 0); B(6, -2)
D. A(-3, 3); B(6, -2)
Answer: C
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Based on the graph, find the range of y = f(x).
A. (-?, ?) B. (-?, 0) or {0} or (0, ?) C. (-?, 0) or (0, ?) D. (-10, 10)
A straight road makes an angle, A, of 11
with the horizontal. When the angle of elevation, B, of the sun is 52
, a vertical pole beside the road casts a shadow 6 feet long parallel to the road, see figure. Approximate the length of the pole. Round answer to two decimal places.
A. 1.86 feet
B. 5.63 feet
C. 6.39 feet
D. 7.68 feet
E. 5.00 feet
Evaluate the function.f(x) = 5x2 - 2x + 4; Find f(t - 1).
A. 5t2 - 12t + 11 B. 5t2 + 18t + 7 C. 5t2 - 12t + 7 D. -12t2 + 5t + 11
Solve the problem.A firm making microwave ovens finds that the total cost, C(x), of producing x units is given by C(x) = 55x + 600.The revenue, R(x), from selling x units is determined by the price per unit times the number of units sold, thus R(x) = 65x.Find and interpret (R - C)(42).
A. $180 profit, income exceeds cost B. $5640 profit, income exceeds cost C. $102 profit, income exceeds cost D. -$180 loss, cost exceeds income