A graphing calculator shows the x-intercepts of the expression on the left to be -1, 4, 7.
The real solutions to the cubic equation are x ∈ {-1, 4, 7}.
Which point on the graph is a direct variation equation in which k=12.4
1 answer:
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Answer:
from the picture the answer is D.
Step-by-step explanation:
to find x subtract 18x from 4x which will give you -14x=-36
divide both sides by -14
You are taking two times a number, which is defined as x. That is equivalent to 2x. Then, you are adding three more to that product.