Select the inequality shown on the graph below.
3x + y < 8
3x - y < 8
3x + y > 8
3x - y > 8
Select the equation that resembles the graph shown below the most.
fx=-3x-4+2
fx=3x-4+2
fx=-3x+4+2
fx=3x+4+2
Part A
An arrow is shot into the air. The altitude of the arrow after s seconds is modeled by the function graphed below.
Which of the following statements is true? Select all that apply.
The arrow was in the air for 9 seconds.
The arrow reached it maximum height after 3.5 seconds.
The arrow was shot from a height of 5 feet.
The altitude of the arrow is decreasing on the interval 5 < s ≤ 9.
Part B
The table models the flight of the arrow.
Which of these statements is true? Select all that apply.
h(2) < h(8)
The flight is symmetric about the line t = 4.5.
The flight will hit the ground somewhere at s ≤ 10.
The flight of the arrow to its maximum and down again were an equal distance.
A cupcake store makes exactly 500 cupcakes every Monday morning. They sell for $6.00 each. The function C(n) = 6n represents the amount of money the store takes in on Mondays, where n is the number of cupcakes sold. What is the domain of C(n) in this context.
all non-negative whole numbers
all non-negative integers less than or equal to 500
all non-negative integers less than or equal to 3000
all non-negative whole numbers that are multiples of 6
The graph shows the path of a basketball free throw where h is the height of the ball when it has moved x feet forward.
What is the approximate rate of change in the height of the basketball as it progresses from 1 to 5 feet forward?
1.75 feet
3 feet
1.5 feet
1.25 feet
Which correlation coefficient indicates the stronger linear relationship between random variables for a fixed sample size?
r = 0.8
r = 0.5
r = – 0.2
r = – 0.9
Consider the function f where fx=x2+6x-16.
What is the vertex form of the equation?
fx=x-32+9
fx=x+32-25
fx=x+32-5
fx=x-32-9
What is the factored form of f(x)?
(x – 8)(x + 2)
(x + 8)(x – 2)
2(x + 4)(x – 2)
(2x – 8)(x + 2)