Answer
The range is {-50,-8}
Work Step by Step
To find the range with domain of {-2, 0, 3.5}, we just plug in the domain in the range.
f(x)=-2$x^{2}$
f(-2)= -2$(-2)^{2}$ = -2(4) = -8
f(0)= -2$(0)^{2}$ = -2(0) = 0
f(3)=-2$(3)^{2}$ = -2(9) = -18
f(5)=-2$(5)^{2}$ = -2(25) = -50
