In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t.(
, - 
)Find csc t.
A. - 
B. 
C. 
D. - 
Answer: A
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Give the name of the set or elements of the set that matches the following description.numbers which can be written as fractions
A. Real numbers B. Natural numbers C. Irrational numbers D. Rational numbers
Find the equation in standard form of the parabola described.The vertex has coordinates (9, -3), and the focus has coordinates (9, -7).
A. (x - 9)2 = 16(y + 3) B. (y - 3)2 = -8(x + 9) C. (y - 3)2 = 8(x + 9) D. (x - 9)2 = -16(y + 3)
Solve the equation.0.33(60) + 0.80x = 0.60(60 + x)
A. {70} B. {90} C. {80} D. {40}
Solve the problem.The gas mileage, m, of a compact car is a linear function of the speed, s, at which the car is driven, for 
For example, from the graph we see that the gas mileage for the compact car is 45 miles per gallon if the car is driven at a speed of 
Find and interpret the average rate of change in gas mileage between speeds of 40 mph and 90 mph.
A. -0.5 miles per gallon/mph; Between speeds of 40 mph and 90 mph, gas mileage decreases at a rate of 0.5 miles per gallon for each 1 mph increase in speed. B. -0.75 miles per gallon/mph; Between speeds of 40 mph and 90 mph, gas mileage decreases at a rate of 0.75 miles per gallon for each 1 mph increase in speed. C. 0.5 miles per gallon/mph; Between speeds of 40 and 90 mph, gas mileage increases at a rate of 0.5 miles per gallon for each 1 mph increase in speed. D. -0.5 miles per gallon/mph; Between speeds of 40 and 90 mph, speed decreases at a rate of 0.5 miles per hour for each 1 mpg increase in gas mileage.