Both are D
First one:
f(g(x)) =f(x^2+3) then you x^2+3 is the x you are going to introduce in the function f
f(x^2+3)= sqrroot(x^2+3-3)= sqrroot (x^2) =x
Second:
you need to leave x alone
y = 3x^2 +1
y-1 = 3x^2
(y-1)/3 = x^2
sqrroot ((y-1)/3) = x
sqrroot ((x-1)/3) = h^-1(x)
Answer:
n-20=5
Step-by-step explanation:
When it doesn't give you a number use a variable like n or m.
Answer:
speed of R miles per hour
miles depends on time
thats why it's miler per hour
The ans is 8 ejejrjrjrjdjdjdkfkfjfkfjdjdjdjdjdkfjf
Answer:
h=6
Step-by-step explanation:
to find h add 12 to both sides
Do i earn a brainliest ?:)