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sarshank
Apr 1, 2013, 07:34 AM
we are working on square roots. The question askes us to find the indicated function calues for f(x)= square root of 9x+7 then we are given f(1), f(-1), and F(2) can't figure out what to do

mAsTeRiTy
Apr 1, 2013, 02:27 PM
f(1)= square root of 9(1)+7= square root of 16=4
f(-1)= square root of 9(-1)+7 = square root of -2 (undefined)
f(2)= square root of 9(2)+7 = square root of 25=5