quadratic profit and gravity

The graph shows how price affects profit. If a company is operating at (50, 8000) , what should they do to improve their profits? 

• Lower Price 
• Raise Price 

Solve for x. Round to the nearest hundredth if necessary.

2x² = -x + 3

• x = -1 and x = 1.5

• x = 1.5 and x = -1

• x = 1 and x = 1.5

• x = -1.5 and x = 1

The graph shows how price affects profit. If the company is currently operating at the point (20, 6000), what should the company do differently to reach the maximum profit (vertex)? 

• Lower Price 
• Raise Price 

What does the Y intercept of the graph represent?

• The initial speed the bungee jumper is falling.

• The initial height of the bungee jumper

• The lowest point the bungee jumper falls before bouncing upwards.

• The bungee jumper's final height.

. A flying disk is thrown into the air from a height of 25 feet at time t = 0. The function that models this situation is h(t) = –16t² + 75t + 25, where t is measured in seconds and h is the height in feet. What values of t best describe the time when the disk is flying in the air?

• 0 < t < 5

• 0 < t < 25

• all real numbers

• all positive integers

Which statement BEST describes how the graph of g(x) = –3x² compares to the graph of f(x) = x² ?

• The graph of g(x) is a vertical stretch of f(x) by a factor of 3.

• The graph of g(x) is a reflection of f(x) across the x-axis.

• The graph of g(x) is a vertical shrink of f(x) by a factor of 1/3 and a reflection across the x-axis.

• The graph of g(x) is a vertical stretch of f(x) by a factor of 3 and a reflection across the x-axis.

What is the zero, or solution of this graph?

• (0, 2500)

• y = 2500

• (2.5, 2531.25)

• x = 25

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2