Choose the polar equation that matches the graph.
A. r = cos 4? + cos2 5?
B. r = sin 4? + sin2 5?
C. r = sin 5? + sin2 4?
D. r = cos 5? + cos2 4?
Answer: A
You might also like to view...
Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle x2 + y2 = 4.F = -xi + yj
What will be an ideal response?
Provide a response as requested.The city council gave a questionnaire to its citizens, asking them to rank their priorities for next year's budget. People were asked to rank the following four choices: (P)olice, (R)oads, (S)chools, and (T)rash removal. The results are summarized in the table below.Number of Ballots State who the Borda count winner is. Explain whether this satisfies the majority, Condorcet, and independence-of-irrelevant-alternatives criteria.
What will be an ideal response?
Express the integrand as a sum of partial fractions and evaluate the integral.
A. 3.908 B. -1.511 C. 6.511 D. 1.511
Solve the problem.A motorcycle daredevil is planning a stunt to perform at a county fair. A ramp must be built to give him a 20% grade, or slope. If the vertical height at the end of the ramp must be 19 ft to assure that the stunt is a success, what must be the length of the horizontal run?
A. 342 ft B. 3.42 ft C. 19 ft D. 95 ft