Can you make a triangle with the numbers 2,4,3

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1

answer: .75 km

step-by-step explanation:

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value