y = x^2 + 2x - 8

y = x^2 + 2x - 8

There is enough material for 90m of fencing. Predict what dimensions will give the maximum area of the pen. Write a function to model the area. Determine the maximum possible area.

Write a function to represent the rectangular area of the enclosure. How do you know that the function is quadratic?

Write an equation for the family of quadratic functions, in factored form, with the zeros 0 and negative 8.

A supply company manufactures copy machines. The unit cost C (the cost in dollars to make each copy machine) depends on the number of machines made. If x machines are made, then the unit cost is given...

A ball is thrown vertically upward. After "t" seconds, its height "h" (in feet) is given by the function h(t) = 60t-16t^2. What is the maximum height that the ball will reach? Don't...

Standard form like f(x)=a(x-h)2 +k.

you can grow 4 pounds of wheat per square meter of farmland.If you grow 3600 pounds wheat on a square farm, what is the length of the farm?

The slope of the line is -1/2

a ball is thrown upward from the top of a 160-foot-high building. The ball is 192 feel above ground level after 1 second, and it reaches ground level in 5 seconds. The height above ground is a quadratic...

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...

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

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

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

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

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...

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

answer in interval form