Mathematics, 31.05.2021 01:00 pal23
If `f(x)=sqrt(7x+2)`, which expression represents f^-1(x)? (Here: `x>=-(2)/(7)`)
A. ` 1/(sqrt(7x+2)) `
B. ` (x^2+2)/7 `
C. ` (y^2-2)/7 `
D. ` (x^2-2)/7 `
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Answers: 2
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If `f(x)=sqrt(7x+2)`, which expression represents f^-1(x)? (Here: `x>=-(2)/(7)`)
A. ` 1/(sqrt(7x...
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