Answer:
x=7
Step-by-step explanation:
Answer:
Given f(x) = 2x + 3 and g(x) = –x2 + 5, find (g o f )(x).
(g o f )(x) = g( f(x))
= g(2x + 3)
= –( )2 + 5 ... setting up to insert the input
= –(2x + 3)2 + 5
= –(4x2 + 12x + 9) + 5
= –4x2 – 12x – 9 + 5
= –4x2 – 12x – 4
Step-by-step explanation:
Ans is 3.5,pls check it again
The equation that can be used to determine the dimensions of the base of the doghouse is x² + 4x = 21
<h3>
What is the equation?</h3>
A quadratic equation is an equation that usually has a single variable and it is raised to the power of 2.
Area of a rectangle = length x width
x (4 + x) = 21
x² + 4x = 21
To learn more about quadratic equations , please check: brainly.com/question/27696091
#SPJ1
Answer:
<h3> A: One</h3><h3> B: x = 4 </h3>
Step-by-step explanation:
3(2x - 7) = 3
÷3 ÷3
2x - 7 = 1
+7 +7
2x = 8
÷2 ÷2
x = 4
