Define H: R − {1} → R − {1} and J: R − {1} → R − {1} as follows. H(x) = J(x) = x + 1 x − 1 for each x ∈ R − {1} Compute the compositions H ∘ J and J ∘ H to determine if J and H are inverses for each other. (Simplify your answers completely.)

What does x = in this equation x+3+2x=x+5

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)