Find an equivalent equation in polar coordinates.y = x
A. sin ? = - cos ?
B. r = sin ?
C. r = cos ?
D. sin ? = cos ?
Answer: D
You might also like to view...
The graph below shows the approximate annual percentage growth rate in world population for the years 1960 through 2010. Data is estimated by the UN Census Bureau.Annual Growth Rate (Percentage) 
Use the graph to answer the question.In which year(s), if any, during the period 1960-2010 is world population constant?
A. 1969-1971 B. 1962-1964, 1969-1971, 1975-1980 C. 1962-1964 D. None
Evaluate.If f(x) = x3 and g(x) = x + 2, evaluate 
(-2).
A. Undefined B. 0 C. 1 D. -8
Write the equation in slope-intercept form.3x + 7y = 5
A. y = 
x - 
B. y = 
x + 
C. y = 3x + 13
D. y = 
x + 
Solve. Round your answer to the nearest tenth, if necessary.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height, h, of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. In 5 seconds B. In 160 seconds C. In 2 seconds D. In 7 seconds