Write the polar equation for a conic with focus at the origin and the given eccentricity and directrix.Determine the polar equation in standard form of the conic section with a focus at the pole such that the eccentricity is 2 and the equation of the directrix is r = -3sec ?.

A. r = 
B. r = 
C. r = 
D. r = 


Answer: C

Mathematics

You might also like to view...

Solve the problem.The paired data below consist of the temperatures on randomly chosen days and the amount a certain kind of plant grew (in millimeters). The linear model for this data is  where x is temperature and y is growth in millimeters. Use this model to predict the growth of a plant if the temperature is 57. 

A. 25.43 mm B. 27.08 mm C. 27.54 mm D. 26.63 mm

Mathematics

Solve the problem.The net income y (in millions of dollars) of Pet Products Unlimited from 2015 to 2017 is given by the equation  where x represents the number of years after 2015. Assume this trend continues and predict the year in which Pet Products Unlimited's net income will be $598 million.

A. 2021 B. 2023 C. 2024 D. 2022

Mathematics

Solve the problem.A driver injures a bicycle rider. The driver has bodily injury limits of 15/30. In court, the injured rider is awarded damages of  Find the amount that the insurance company must pay and the amount that the insured must pay.

A. $30,000, $0 B. $0, $15,000 C. $18,000, $0 D. $15,000, $3,000

Mathematics

Perform the indicated operations and simplify.0.62 + 0.72 + 0.3

A. 1.99 B. 1.15 C. 5.5 D. 2.9

Mathematics