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
80 meters
Related Questions
Q:
Find the inverse for each of the following functions.
\(f ( x ) = 3 x + 1\)
\(g ( x ) = 1 x ^ { 3 } - 5\)
\(h ( x ) = \frac { 3 } { x + 5 }\)
\(j ( x ) = \sqrt[ 3 ] { x + 1 }\)
Q:
The total revenue from the sale of a popular book is approximated by the rational function \( R ( x ) = \frac { 1700 x ^ { 2 } } { x ^ { 2 } + 4 } \) , where \( x \) is the number of years since publication and \( R ( x ) \)
is the total revenue in millions of dollars.
(a) Find the total revenue at the end of the first year.
(b) Find the total revenue at the end of the second year.