Mathematics, 26.02.2021 20:40 homelanie21
Please help? you dont have to answer them all but im seriously in trouble
1. The graph shows the height y, in feet, of a balloon that is launched from a platform 13.5 feet high, as a quadratic function of x, the
time in seconds.
What is the domain of this function in this situation? (first picture)
A) 0 ≤ y ≤ 43.5
B) 0 ≤ x ≤ 54
C) 13.5 ≤ y ≤ 43.5
D) 14.5 ≤ x ≤ 54
2. Which graph best represents a function with a range of all real numbers less than or equal to 7? (last 4 graphs at the bottom)
3. What is the domain of the quadratic function given by f(x) = 2x2
+ 2x - 4?
A) [0, +∞)
B) all real numbers
C) all negative real numbers
D) all positive real numbers
4. Determine the range of the function. y = -2x^2+ 3
A) all real numbers
B) all integers less than or equal to 3
C) all integers greater than or equal to 3
D) all real numbers less than or equal to 3
5. You are tossing an apple. After t seconds, the height of the apple in feet is given by h = -16t^2 + 38.4t + .96. What is the domain of
this function?
A) t ≥ 0
B) all real numbers
C) 0 ≤ t ≤ 2.4
D) 1.2 ≤ t ≤ 24
Answers: 2
Mathematics, 21.06.2019 15:20
Which function is increasing? o a. f(x)=(1/15)* o b. f(x)= (0.5)* o c. f(x)=(1/5)* o d. f(x) = 5*
Answers: 1
Mathematics, 21.06.2019 17:30
Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]
Answers: 3
Mathematics, 21.06.2019 18:00
Solve this system of equations. 12x − 18y = 27 4x − 6y = 10
Answers: 1
Mathematics, 21.06.2019 21:00
The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?
Answers: 1
Please help? you dont have to answer them all but im seriously in trouble
1. The graph shows the he...
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