Let's see
Let y=f(x)
- y=4x
Intechange x and y
- x=4y
Find y
- y=x/4
The inverse is y=x/4
Graphs attached
How do I solve -x + 2< 3x -6?
2 answers:
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Answer:
x=10
Step-by-step explanation:
The two triangles are similar since each triangle is the same shape of right triangle but different sizes. To find x, write a proportion between two equal ratios of side lengths.
Solve by cross multiplying.
28(3x) = 20(4x+2)
84x = 80x + 40
4x = 40
x=10