Algebra
posted by Jasmin .
Let (gx)= 10x

2+x
Please Help
(a) Find g (–1).
(b) State the domain of the function .
(c) Find g (t + 1) and simplify as much as possible.

If g(x) = (10x)/(2+x),then
g(1) = 11/1 = 11
The domain of g is all numbers except 2, where the denominator is 0.
g(t+1) = (9t)/(t+3)
That does not simplify.