Question

Need help on this!!!

Answer 1

Explanation:

Range goes from the lowest point on a graph to the highest point, not including anything in between those 2 extremes. We will evaluate the quadratic for the values given. First f(2):

`f(2)=(2)^2-5` so

f(2) = -1

Now, f(4):

`f(4)=(4)^2-5` so

f(4) = 11

Now, f(7):

`f(7)=(7)^2-5` so

f(7) = 44

The lowest y value is -1 and the highest is 44, so the range is from -1 to 44 (I can't tell which of your choices reflects that because it's too small!)