A ball is thrown from an initial height of
7

feet with an initial upward velocity of
28
/
ft
s

. The ball's height
h

(in feet) after
t

seconds is given by the following.
=
h
+
7
−
28
t
16
t
2

Find all values of
t

for which the ball's height is
15

feet.

If eh = hg and hg=16, find the diameter of k

For [tex]f(x) = 4x + 1[/tex] and (x) = [tex]g(x)= x^{2} -5,[/tex] find [tex](\frac{g}{f}) (x)[/tex]a. [tex]\frac{x^{2} - 5 }{4x +1 },x[/tex] ≠ [tex]-\frac{1}{4}[/tex]b. x[tex]\frac{4 x +1 }{x^{2} - 5}, x[/tex] ≠ ± [tex]\sqrt[]{5}[/tex]c. [tex]\frac{4x +1}{x^{2} -5}[/tex]d.[tex]\frac{x^{2} -5 }{4x + 1}[/tex]

Find the value of x to the nearest tenth.