Answer to Question #188973 in Algebra for Tina

Question

The expression −4,9t^2+50t+2 represents the height, in metres, of a toy rocket t seconds after launch. The initial height of the rocket, in metres, is

 [1] 0

[2] 2

[3] 4.9

[4] 50 

Answer 1

$function \ =-4.9t^2+50t+2$

at t = 0

its initial height = $-4.9(0)^2+50(0)+2$

$=2$

$answer = 2$ , that is second option.