If y=-x2+14x+7, then x=10 is a counterexample for which conjecture? a. y is always positive. b. y is always negative. c. y is a function of x. d. the graph of y is a parabola.

Let r = 3. what is the value of r + 58?

Which graph represents the function g(x) = |x + 4| + 2?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?