L7.5

Q1

• A

• B

• C

• D

Q2

• A

• B

• C

• D

Q3

• x=2; g(x) = x 2 + 2x − 1

  x=2; h(x) = 5 (x − 3)

  x=0; f(x) = 2x + 4

  x=4; g(x) = x 2 + 2x − 1

  x=2; f(x) = 2x + 4

• x=2; g(x) = x 2 + 2x − 1

  x=6; h(x) = 5 (x − 3)

  x=4; f(x) = 2x + 4

  x=0; g(x) = x 2 + 2x − 1

  x=8; f(x) = 2x + 4

• x=0; h(x) = 5 (x − 3)

  x=2; f(x) = 2x + 4

  x=4; f(x) = 2x + 4

  x=6; g(x) = x 2 + 2x − 1

  x=8; f(x) = 2x + 4

• x=0; f(x) = 2x + 4

  x=2; f(x) = 2x + 4

  x=4; g(x) = x 2 + 2x − 1

  x=6; h(x) = 5 (x − 3)

  x=8; h(x) = 5 (x − 3)

Q4

• quadratic

  second difference

• exponential

  ratio

• linear

  first difference

• exponential

  second difference

Q5

• A

• B

• C

• D