I hope you guys can see it but if you answer it i’ll make you the brainiest
1 answer:
Answer:
Step-by-step explanation:
the smallest length that the pen could be is the with x length => 209 sq ft
where the length is 8 feet more than the width.
so find that where x *( x+8) = 209
then + 8x - 209 = 0
using the quadratic equation I got 11
11* ( 11+8) =209
so that's the smallest it could be
so the width must be greater than 11 to make the pen greater than 209 sq ft. :)
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the function f(x) = 4(x+3) − 5
Lets find the inverse function f^-1(x)
step 1: Replace f(x) with y
y = 4(x+3) − 5
step 2: Replace x with y and y with x
x = 4(y+3) - 5
step 3: Solve for y
x = 4(y+3) - 5
x = 4y +12 -5
x= 4y + 7 (subtract 7 on both sides)
x - 7 = 4y (divide by 4 on both sides)
Given : x = 3
We plug in 3 for x in the inverse function
= -1
the inverse function when x = 3 is -1