Answer:
45x - 9
step by step explanation:
hope this helps!
Answer:
I guess the best answer is 10
Step-by-step explanation:
because 20-10 is 10
Answer:
it's C
Step-by-step explanation:
-16 means where the line crosses y axis
Hello :
<span>f(x)=x²+4x-5
</span><span>The axis of symmetry for a function in the form f(x)=x^2+4x-5 is x=-2 :
</span>f(x) = (x+2)² + b
f(x) x²+4x+4+b= x² +4x-5
4+b= -5
b = -9
the vertex is : (2 , -9)
