1 The student council sold pizzas for $10 each. The equation
y= 10x represents sale revenues, where x is the number of
pizzas sold and y is the revenue in dollars. Which statement
describes possible y-values?
A y is less than 0
C y is greater than 0
B yis less than or equal to 0 D y can be any number

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

X2 + y 2 = 36 x + y = 6 solve the system of equations.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)