Function from Two Points

Write an exponential function in the form y=ab^x that goes through points (0,3) and (4,48).

• y=3(2)^x

• y=2(2)^x

• y=2(3)^x

• y=4(3)^x

Write an exponential function in the form y=ab^x that goes through points (0,6) and (2,96).

• y=6(2)^x

• y=2(4)^x

• y=4(6)^x

• y=6(4)^x

Write an exponential function in the form y=ab^x that goes through points (0,18) and (2,288).

• y=18(4)^x

• y=4(2)^x

• y=4(18)^x

• y=2(4)^x

Write an exponential function in the form y=ab^x that goes through points (0,2) and (3,128).

• y=2(3)^x

• y=2(4)^x

• y=3(4)^x

• y=4(2)^x

Write an exponential function in the form y=ab^x that goes through points (0,15) and (2,240).

• y=2(15)^x

• y=2(4)^x

• y=4(15)^x

• y=15(4)^x

Write an exponential function in the form y=ab^x that goes through points (0,13) and (2,325).

• y=13(5)^x

• y=13(2)^x

• y=5(13)^x

• y=2(5)^x

Is the relation a function?

• yes, it is a function

• no, it is not a function

• not enough information to determine

Given these two ordered pairs, write the equation.
(2, 8) (3, 12)

• y = 4x + 8

• y = x + 4

• y = 4x + 4

• y = 4x

Write the linear equation that goes through the point (−6, 2) and (0, 4):

• y = 1/3x + 4

• y = -1/3x + 4

• y = -3x + 4

• y = 3x + 4

Write an equation of the line that passes through(-2, 8) and (0, 8)

• y = 8

• y = -2

• x = 8

• x = -2