A ball is thrown vertically upward. After t seconds, it’s height h(in feet) is given by the function h(t)=44t-16t^2. What is the maximum height that the ball will reach? Do not round

A ball is thrown vertically upward After t seconds its height hin feet is given by the function ht44t16t2 What is the maximum height that the ball will reach Do class=

Respuesta :

Given

[tex]h\mleft(t\mright)=44t-16t^{2.}[/tex]

Find

the maximum height that the ball will reach

Explanation

The maximum of the function can be found by equating its first derivative to zero.

so, we need to find the first derivative of the function.

[tex]\begin{gathered} h\mleft(t\mright)=44t-16t^{2.} \\ h^{\prime}(t)=44-32t \end{gathered}[/tex]

put h'(t) = 0

[tex]\begin{gathered} 44-32t=0 \\ 32t=44 \\ t=\frac{44}{32} \\ \\ t=\frac{11}{8} \end{gathered}[/tex]

so , the maximum height is found by substituting the value of t into the original equation

[tex]\begin{gathered} h(t)=44(\frac{11}{8})-16(\frac{11}{8})^2 \\ \\ h(t)=60.5+30.25 \\ h(t)=30.25 \end{gathered}[/tex]

Final Answer

the maximum height that the ball will reach is 30.25 feet