Which of the following functions is quadratic? A. f(x) = 2/x^2
B. f(x) = 3(3-x)
c. f(x) = 7^2
D. f(x) = 2x^2 +3x - 5

D

Step-by-step explanation:

the 'x' term is squared but not in the denominator

on a coordinate grid, point a is at (−4.0, −2.4) and point b is at (4.0, −2.4). point b is a reflection of point a across the –axis. input either a lowercase x or i think is the right awnser

step-by-step explanation:

stethere all not eveanp-by-step explanation: