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Which equation is the inverse of y=7x^2-10
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Which equation is the inverse of y=7x^2-10

User Hdorgeval
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2 Answers

1 vote

B.) just took the test on Ed genuity : )

User Psddp
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5.1k points
4 votes

y = 7x^2 - 10

Switch y and x.

x = 7y^2 - 10

Solve for y.

Add 10 to both sides.

x + 10 = 7y^2

Divide both sides by 7.

(x + 10)/7 = y^2

√ both sides.

√(x + 10)/7 = y

Replace y with f^-1(x)

f^-1(x) = √(x + 10)/7


User Endasan
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