7. The jump of a certain kangaroo follows the path of the equation by \( h = - 5 t ^ { 2 } + 40 t \) , where \( h \) is the height of the jump in metres and \( t \) is the horizontal distance covered in metres. How far did this kangaroo jump?
Pregunta
Answer
\( ( 4,80 )\)
Related Questions
Q:
Joe earns \( \$ 9 \) per hour. He worked \( x \) hours on both Wednesday and Friday, and \( 8 \) hours on both Tuesday and Saturday. Write an expression to represent how much Joe earned.
Q:
If a virus spreads at a rate that can be modeled by the exponential function \( A ( t ) = ae ^ { r t } \) , how many people will be infected after \( 5 \) days if initially \( 3 \) people are infected and the growth rate is \( 40 \% \) ?