Select the correct graph for the given function
?

?

A. ?


B. ?


C. ?


D. ?


E. ?



Answer: B

Mathematics

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For the given pair of points, find the equation of the line  that goes through the points by solving a system of equations.(9, -9) and (7, -3)

A. y = 3x - 18 B. y = 3x - 36 C. y = -3x - 9 D. y = -3x + 18

Mathematics

Find the area of the circle. Use ? ? 3.14 and round to the nearest hundredth.diameter = 7 cm

A. 153.86 cm2  B. 38.47 cm2  C. 43.96 cm2 D. 21.98 cm2 

Mathematics

Find the domain and range.{(12,-9), (12,-8), (-8,6), (7,-4), (-1,5)}

A. domain = {6, -8, -4, 5, -9}; range = {-8, -8, 12, 7, -1} B. domain = {-8, 12, 7, -1}; range = {6, -8, -4, 5, -9} C. domain = {-8, -3, 12, 7, -1}; range = {6, -8, -4, 5, -9} D. domain = {-8, 13, 12, 7, -1}; range = {6, -8, -4, 5, -9}

Mathematics

Solve the following quadratic application using the quadratic formula.A ball is thrown downward with an initial velocity of 35 meters per second from a cliff that is  high. The height of the ball is given by the quadratic equation  where h is in meters and t is the time in seconds since the ball was thrown. Find the time that the ball will be  from the ground. Round to the nearest tenth.

A. It would take approximately 2.4 seconds for the ball to be 20 meters from the ground. B. It would take approximately 1.5 seconds for the ball to be 20 meters from the ground. C. It would take approximately 1.4 seconds for the ball to be 20 meters from the ground. D. It would take approximately 1.3 seconds for the ball to be 20 meters from the ground.

Mathematics