If f(x) = square root x+3, what is the equation for f-1(x)

Consider the table below. x y -1 -5 0 5 1 11 2 13 3 11 complete the standard form equation representing the quadratic relationship displayed above, where a, b, and c are constants.

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73