Rewrite the expression as a single trigonometric function using a double-angle identity.2 cos24? - 1
A. cos 4?
B. 2 sin 4?
C. 
sin 16?
D. cos 8?
Answer: D
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The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = 
A. y2 = 25 - 10x B. x2 = 10y - 25 C. y2 = 10x - 25 D. x2 = 25 - 10y
Use the theorem that relates the sum of degrees to the number of edges to determine the number of edges in the graph.A graph with 6 vertices, one of degree 5, three of degree 1, and two of degree 2.
A. 4 edges B. 6 edges C. 8 edges D. 12 edges
Use the binomial series to expand the function as a power series. Find the radius of convergence.
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Solve.Sue wants to plan a meal with 58 grams of fat and 1610 calories. If hot dogs have 13 grams of fat and 145 calories each and if baked beans have 8 grams of fat and 330 calories per half-cup serving, how many hot dogs and servings of beans should she use?
A. 4 hot dogs and 2 half-cup servings of baked beans B. 13 hot dogs and 8 half-cup servings of baked beans C. 2 hot dogs and 4 half-cup servings of baked beans D. 8 hot dogs and 13 half-cup servings of baked beans