PLEASE HELP Find the following using the given functions. (Simplify your answers completely.)
f(x) = 2x2 − 3x + 1
and
g(x) = 5x2 + 9x + 4
(a)
(f + g)(x) =

(b)
(f + g)(3) =

(c)
(f − g)(x) =

(d)
(f − g)(−2) =

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?

What is 74 round to the nearest ten