Answer:
Graph of solutions of:
y = x^2 -4 (red)
x + y + 2 = 0 (purple)
Step-by-step explanation:
<span>What is 2/1 divided by 1 6/7?
</span>answer would be 0.9
Always find the difference in prices first.
<span>3.45 - 3.20 = $.25 difference </span>
<span>Always divide the difference by the original price. Change this number into a per cent. </span>
<span>.25/3.45 = .07246 = 7.2% decrease </span>
Answer: (A) 352 π units^2
Explanation in image.
Knowledge point:
Geometry - cylinder area formula
Answer:
The equation you are given is a quadratic. The standard form of a quadratic is y = a(x-h)2 + k where (h,k) is the vertex of the graph, which is a parabola. Vertically moving the graph 4 units upward means that you are moving k +4 units.
y = a(x-h)2 + k standard form
y = 5x2 - 4 original equation
y = 5(x-0)2 - 4 re-written in standard form
h = 0 k = -4
Four (4) units up is k + 4--->-4 + 4 = 0.
Therefore, f(x) = 5x2 + 0--->f(x) = 5x2.
Step-by-step explanation:
hope this helps
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