Functions Unit

Question

Find the range of the function when the domain is {-3, -1.5, 0, 1, 4}

y=4t2+5

Answer 1

y = 4t² + 5

 

t         |  y

--------|------

-3       | 41

-1.5    | 14

0        | 5

1        | 9

4        | 69

 

The range is all the output values

{5, 9, 14, 41, 69}