Multi-step Function Inverses (Level 1)

For the function f(x)=9 (x-8), find f^-1 (x)

How many grams must be adde to 970g to make 1 and a half kg

Can someone answer this question? : )

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.