PLS HELP ILL MARK BRAIN EXPLAIN HOW KNOW YOUR ANSWER!
2 answers:
Answer:
Step-by-step explanation:
The answer is that the graph shifts left and down. It shifts left beccuse the oth 4 and it shifts down because of the - 5.
You would say the same thing about y = (x + 4)^ - 5
Just to make it clear, I have included the graph.
The red line is y = 3^x
The blue line is y = 3^(x + 4) - 5
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Answer:
vertex = (- 1, 3 )
Step-by-step explanation:
Given a parabola in standard form
y = ax² + bx + c ( a ≠ 0 )
Then the x- coordinate of the vertex is
= -
y = 2x² + 4x + 5 ← is in standard form
with a = 2, b = 4, then
= -
= - 1
Substitute x = - 1 into the equation for corresponding value of y, that is
y = 2(- 1)² + 4(- 1) + 5 = 2 - 4 + 5 = 3
vertex = (- 1, 3 )