Identify the constant term in the expression 4 + ½ x.

4

Step-by-step explanation:

The constant is 4 because it doesn't contain a modifiable variable.

1/2 is the coefficient and x is the variable

step-by-step explanation:

f(x)=2x^2 -1 

translation is a function transformation that transform the function in a way of translating. by translating the function its graph is moved  up an down. moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1

so, converting firstly the mixed fractions to improper fractions and then "adding".