Carly has just hit a baseball high into the air. If the height h, in metres, of the ball is given by h = 1 + 30t – 5t2 and t is the time in seconds, will the ball hit power chords that are 50...

Carly has just hit a baseball high into the air. If the height h, in metres, of the ball is given by h = 1 + 30t – 5t2 and t is the time in seconds, will the ball hit power chords that are 50...

I am having a lot of problems in this section of my class. the rest of problem → "Company ABC produces widgets. They have found that the cost, c(x), of making x widgets a quadratic function...

Graph the square root function of h(x) = -√x-1; State the domain and range.

answer in interval form

A salesperson finds that her sales average 40 cases per store when she visits 30 stores a week. Each time she visits an additional store per week, the average sales per store decreases by 1 case....

A retangular field covers 2400m^2. its lengh is 50m longer than it's width what's its with

Aon object is launched at 17.2 m/s from a 25-meter tall platform. The equation for the object's height h at time t seconds after launch is: h(t) = -4.9t^2 + 17.2t +25, where h is...

Let f(x)=ax2+bx+c be a quadratic function with a > 0 whose graph has vertex at the point (2,5). Which of the following statements are true a. x=4 is in...

Step by step

2x^2-2x+9=0 I don't know what a discriminant is so I do not understand its purpose.

For a design competition, Maggie dropped a device from the bleachers. The equation for the device's height in feet h after t second is h=-16t^2+20. Compare the graph of this function with its...

If one of the solutions to the equation: x2+3x+1=0, is a, then find 1/(a2+3a+10)

Graph the quadratc inequality. y ≥ 2x2 - 4x - 3

How to get the formula s=1/2(αβ/α+β)t2

By graphing the quadratic function f(x)=-3-2x+x2, find the x and y intercepts

By graphing the quadratic function f(x)=x2-2x+4 find the domain and range

What is the equation of this axis of symmetry of the parabola y-2=1/2(x+3)2?

What are the coordinates of the vertex of y=-3(x+4)2+3?

What is the range of the relation defined by y-5=-1/4(x+2)2?

What is the vertex of the parabola f(x)=-3x2-12x+2?