Richard C. answered 02/14/23
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Confidence-building Algebra 2 tutor with 18 years experience
Start with f(x)=3sqrt(x+1) -4
Vertical stretch by 3 would be: 3(3sqrt(x+1)-4) = 9sqrt(x+1)-12
Translation up by 1 unit would be: 9sqrt(x+1)-11