Exponential Functions and Transformations

What is the parent function of f(x)=2(1/2)^x-7

• f(x)=2

• f(x)=(1/2)

• f(x)=2^x

• f(x)=(1/2)^x

What is the transformation of f(x)=2(1/2)^x-7

• stretch by 2

  down 7

• shrink by 1/2

  down 7

• stretch by 2

  up 7

• shrink by 1/2

  up 7

What is the parent function of f(x)=-1/3(2)^x+3

• f(x)=1/3

• f(x)=2

• f(x)=2^x

• f(x)=(1/3)^x

What is the transformation of f(x)=-1/3(2)^x+3

• reflect

  shrink by 1/3

  up 3

• shrink by 1/3

  up 3

• reflect

  stretch by 2

  up 3

• stretch by 2

  up 3

What is the parent function of f(x)=(1/2)^x+4-3

• f(x)=3

• f(x)=(1/2)^x

• f(x)=-3

• f(x)=(1/2)^x+4

What is the transformation of f(x)=(1/2)^x+4-3

• stretch

  left 4

  down 3

• left 4

  down 3

• right 4

  up 3

• stretch

  right 4

  down 3

What is the parent function of f(x)=(3)^x-2+1

• f(x)=3^x

• f(x)=3

• f(x)=3^x-2

• f(x)=1

What is the transformation of f(x)=(3)^x-2+1

• left 2

  down 1

• left 2

  up 1

• right 2

  down 1

• right 2

  up 1

What is the parent function of f(x)=-3(4)^x-2-5

• f(x)=3^x

• f(x)=-3

• f(x)=4^x

• f(x)=-5

What is the transformation of f(x)=-3(4)^x-2-5

• reflect, stretch

  right 2, down 5

• stretch

  right 2

  down 5

• reflect, shrink

  left 2, down 5

• shrink

  left 2

  down 5