The graph of a limacon curve is given. Without using your graphing calculator, determine which equation is correct for the graph.
[-5, 5] by [-5, 5]
A. r = 1 - 3 sin ?
B. r = 2 + 2 sin ?
C. r = 3 - 2 sin ?
D. r = 2 - 2 sin ?
Answer: D
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Find the indicated root of the given equation by using Newton's method.x3 + x + 1 = 0 (between -1 and 0)
A. -0.6823411 B. -0.6823278 C. -0.6823396 D. -0.6823294
Solve the given applied problems involving variation.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 175 seconds are required to make a 
enlargement, find the time required for a 
enlargement.
A. 378 s B. 486 s C. 432 s D. 324 s
Write the statement in symbolic form.Let p, q, and r represent the following statements.p: I eat too much.q: I'll exercise.r: The food is good.If I exercise, then the food won't be good and I won't eat too much.
A. (q ? ~r) ? ~p B. ~(r ? p) ? q C. q ? ~(r ? p) D. q ? (~r ? ~p)
Classify the statement as true or false.10 ? {4, 6, 8, 10}
A. True B. False