Use sum-to-product identities to rewrite the expression as a product.sin 8x + sin 2x
A. 2 sin 5x sin 3x
B. 2 sin 10x
C. 2 cos 5x sin 3x
D. 2 sin 5x cos 3x
Answer: D
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Solve the problem.Use Newton's method to estimate the solutions of the equation 
. Start with
for the right-hand solution and with x0 = -2 for the solution on the left. Then, in each case find x2.
What will be an ideal response?
Use factoring to solve the equation.12d2 + 38d + 30 = 0
A. - 
, - 
B. - 
, - 
C. 
, 
D. 
, 
Solve the equation.25k2 - 36 = 0
A. 
B. {6, 0}
C. 
D. 
Solve the problem.Alan and Sue want to rescue their kitten who is stuck 3.7 m up in a tree. Sue stands on Alan's shoulders. The distance from Alan's feet to the top of his shoulders is 1 m 64 cm. When Sue extends her arms above her head the distance from her feet to the tip of her fingertips is 1 m 80 cm. How high will Sue be able to reach when she stands on Alan's shoulders? Give your answer in meters. Will they be able to reach the kitten?
A. 3.44 m; no B. 16.4 m; yes C. 2.44 m; no D. 2.144 m; no