What is the equation of the function shown in the graph? y=2x

y=−12x

y=12x

y=−2x

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?