Let: f(x) = {(3,5), (2,4), (1,7)} g(x) = √(x-3) h(x) = {(3,2), (4,3), (1,6)} k(x) = x^2+5
Determine each of the following:
a.) (f + h)(1) =
b.) (k - g)(5) =
c.) (f o g)(3) =
d.) (g o k)(7) =
e.) f^-1 (x) =
f.) k^-1 (x) =
g.) 1/f(x) =
h.) (kg)(x) =

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Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.