Answer :
To find the range
substitute -2 , 0 and 4 into the function given
f(-2) = 5(-2)² + 4 = 5(4) + 4 = 20 + 4 = 24
f(0) = 5(0) + 4 = 0 + 4 = 4
f(4) = 5(4)² + 4 = 80 + 4 = 84
The range is;
{24, 4, 84}
To find the range
substitute -2 , 0 and 4 into the function given
f(-2) = 5(-2)² + 4 = 5(4) + 4 = 20 + 4 = 24
f(0) = 5(0) + 4 = 0 + 4 = 4
f(4) = 5(4)² + 4 = 80 + 4 = 84
The range is;
{24, 4, 84}