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 cos ?
B. r = 1 + 3 sin ?
C. r = 2 + 2 sin ?
D. r = 3 + sin ?


Answer: B

Mathematics

You might also like to view...

Solve the problem.The Whitcher family learned that their investments decreased in value by 29% over the last year. If the investments were worth $84,000 at the beginning of the year, how much (in dollars) did they lose over the last year?

A. $2897 B. $2436 C. $244 D. $24,360

Mathematics

Use the given graph of f(x) = ax2 + bx + c to solve the specified inequality.f(x) > 0

A. x > 5 B. x ? 5 C. All real numbers D. No solutions

Mathematics

Provide an appropriate response.True or false? If a > 0, then  = ia.

A. True B. False

Mathematics

Write the improper fraction as a mixed or whole number.

A.
B. 1
C. 13
D. 13

Mathematics