CAN SOMEONE PLEASE HELP ME, I AM DOING A QUIZ AND IT IS TIMED T^T 1. Benito embroiders and sells T-shirts. The graph shows his profit as a function of the number of shirts sold. After selling a certain number of shirts, Benito uses some earnings to buy more materials and then increases the price of the shirts. Which of the following is true?
a. The domain of the function is {x | x is a real number greater than or equal to 0}.
b. The x-intercept represents the shirts he has to sell before making a profit.
c. The y-intercept represents the cost of one T-shirt.
d. Benito increases the price after selling 50 shirts.

2. Benito embroiders and sells T-shirts. The graph shows his profit as a function of the number of shirts sold. After selling a certain number of shirts, Benito uses some earnings to buy more materials and then increases the price of the shirts. Which of the following is true? (The first graph is the same.)
a. Benito spent $1 after selling 50 shirts
b. The price of one shirt increases from $10 to $15.
c. Benito made an extra $25 after selling 7 shirts.
d. Benito's profit per shirt increases from $10 to $15.

3. The function f(x) = –4x2 represents the path of a whale as it surfaces for air and dives again. Select all the observations that are true about the whale’s path. Group of answer choices
a. The domain is all real numbers x until the ocean hits the shore.
b. There are two points where the whale touches the surface.
c. The range is (−∞,−4)
d. The point where the whale touches the surface is a maximum.
e. f is decreasing for the whale's entire path.

4. Which features describe the graph? Select all that apply. (the second picture)
a. positive: (–2, 2)
b. domain: (–3, 3]
c. negative: (–3, –2), (2, 5]
d. increasing: (–3, –1)
e. range: (–3, 4]
f. decreasing: (–1, 4)

5. At what point do the increasing and decreasing parts of the graph in Part A intersect? (same as number 4 for the graph)