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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 β€ y β€ 43.5
B) 0 β€ x β€ 54
C) 13.5 β€ y β€ 43.5
D) 14.5 β€ x β€ 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, +β)
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 β₯ 0
B) all real numbers
C) 0 β€ t β€ 2.4
D) 1.2 β€ t β€ 24
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Answers: 2
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Please help? you dont have to answer them all but im seriously in trouble
1. The graph shows the he...
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