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enyata [817]
3 years ago
11

H(t)=-16t^2+128t+144 how do you solve this????????????

Mathematics
1 answer:
mestny [16]3 years ago
8 0
Divide everything by 16
-t^2 + 8t + 9
(-t + 9)(t + 1)
t= -1, 9
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Let x represent the cost per gallon of gasoline.

Let y or f(x) represent the cost of x gallons of gasoline.

Given that the cost per gallon is $2.79,

The function would be

f(x) = 2.79x

The domain refers to all possible values of x that can fit into the function. Given that the truck holds a maximum of 28 gallons, the maximum value of x is 28. When the truck is empty, the minimum value of x is 0. Therefore, the domain is 0 to 28

The range refers to all possibel values of y or f(x) that can satisfy the function.

When x = 0, f(x) = 2.79 * 0 = 0

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goblinko [34]

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3 years ago
So I would like help with this question:
madreJ [45]
To find the answer, find the unit rate by dividing 57 by 19. The answer to that is 3. Multiply 48 by 3. That’s how much it costs. Your final answer is 144 cents. I hope this helps!
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