Write a system of inequalities whose solution set is the region shown.
A. y ? 0
x2 + y2 ? 16
B. y ? 0
x2 + y2 ? 16
C. y ? 0
x2 + y2 ? 16
D. y ? 0
x2 + y2 ? 16
Answer: D
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Solve the problem. Round your answer, if appropriate.As the zoom lens in a camera moves in and out, the size of the rectangular image changes. Assume that the current image is 8 cm × 5 cm. Find the rate at which the area of the image is changing (dA/df) if the length of the image is changing at 0.7 cm/s and the width of the image is changing at 0.3 cm/s.
A. 11.8 cm2/sec B. 5.9 cm2/sec C. 14.2 cm2/sec D. 7.1 cm2/sec
Solve the problem and use the table to find the annual percentage rate.
Eric Yu purchased a boat costing $12,900 with $800 down and loan payments of $311 per month for 48 months. Find the total installment cost and the annual percentage rate.
A. $14,928; 10.75% B. $14,928; 10.25% C. $14,128; 10.25% D. $15,728; 10.75%
Answer the question.Which of the following statements is true concerning the graph of f(t) = sin t?
A. The graph contains no symmetry. B. The graph is symmetric about the y-axis. C. The graph is symmetric about the origin. D. The graph is symmetric about the x-axis.
Solve the problem.Under typical conditions, 1
feet of snow will melt into 2 inches of water. Into how many inches of water will 1
feet of snow melt?
A. 2
in.
B. 2
in.
C. 3
in.
D. 2
in.