Find the functions and their domains. (Enter the domains in interval notation.) f(x) = 9x + 2, g(x) = x2 + x (a) f ∘ g (f ∘ g)(x) = domain (b) g ∘ f (g ∘ f)(x) = domain (c) f ∘ f (f ∘ f)(x) = domain (d) g ∘ g (g ∘ g)(x) = domain

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).