Question

Two functions are combined resulting in the function j(x) = 1.5x2 + 4x – 3.

Which operations applied to the specified functions could result in j(x)? Select three options.

-two linear functions by addition
-two quadratic functions by addition
-a linear function and a quadratic function by addition
-two linear functions by multiplication
-two quadratic functions by multiplication

Answer 1

b,c,d

Explanation:

edg 2021

Answer 2

Choices 2, 3 and 4.

Explanation:

We could add 2 quadratic functions. For example:

x^2 + 2x - 2 and 0.5 x^2 + 2x - 1.

Also a linear and quadratic function:

1.5 x^2 + x and 3x - 3.

And 2 linear functions could be multiplied to get this function.