Which of the following functions translates the graph of the parent function f(x)=x2 horizontally right 6 units

Given the following statements, which is the best

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income