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MH

McGraw Hill Glencoe Algebra 2, 2012 View details

Standardized Test Practice

Finish the assignment

Exercise 9 Page 914

The domain of radical functions only includes values for which the radicand is non-negative.

C

Practice makes perfect

The domain of radical functions only includes values for which the radicand is non-negative. f(x)=sqrt(5x-3)We can solve for these values of x by only looking at the radicand.

5x-3 ≥ 0

AddIneq

LHS+3≥RHS+3

5x≥ 3

DivIneq

.LHS /5.≥.RHS /5.

x ≥ 3/5

The domain is all real numbers greater than or equal to 35. { x | x≥ 3/5 } This corresponds to option C.