SOLUTION: g(x)=x^2+3x h(x)=(x+3)/2 find (h*g)(-1) when finding the answer it is evaluating as composition. the * symbol is really a small o in the problem. thanks for your help

SOLUTION: g(x)=x^2+3x h(x)=(x+3)/2 find (hg)(-1) when finding the answer it is evaluating as composition. the symbol is really a small o in the problem. thanks for your help

Question 240901: g(x)=x^2+3x
h(x)=(x+3)/2
find (h*g)(-1)
when finding the answer it is evaluating as composition. the * symbol is really a small o in the problem. thanks for your help
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Wherever you see an

in the definition of

, substitute the entire definition of

. Once you have done that, replace every

with (-1), then do the arithmetic.

John

RELATED QUESTIONS
Find functions f and g so that the composition of f and g is H. H(x) = |4 - 3x^2|... (answered by josgarithmetic)

Find functions f and g so that the composition of f and g is H. H(x) = |4 - 3x^2| (answered by josgarithmetic)

If g(x)=x^2+3x-1,find (g(x+h)-g(x))/h The answer is 2x+hbut I keep getting 2x+h+3... (answered by ewatrrr)

Suppose that the functions g and h are defined as follows. g(x) = 4/x, x is not 0 (answered by rothauserc)

If g(x)=x^2-2x+5, find and simplify g(x+h)-g(x)/h g(x+h) = (x+h)^2 - 2(x+h) + 5 = x^2... (answered by tinbar)

Express the given function h as a composition of two functions f and g so that... (answered by Boreal)

Let g(x) = x^2 and h(x) = x+2/3. Find the composition function (goh)(x). need help!... (answered by stanbon)

I do not understand what the symbol is that looks like a multiplication symbol but is... (answered by Alan3354,ewatrrr)

if g(x)=-4, h(x)=x, find the composition. (g... (answered by amarjeeth123)