3 years ago

Y=x2+3x-2 -17/4 what is the range and domain

Mathematics

1 answer:

Gemiola [76]3 years ago

3 0

Answer:

Hope this helps :)

Step-by-step explanation:

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A pine cone drops from a tree branch that is 36 feet above the ground. The function h = –16t2 + 36 is used. If the height h of t

scoray [572]

Notice that the height of the pine cone when it hits the ground is zero. So, to find the tame it takes for the pine cone to hit the ground, we just need to replace the height, $h$ , with 0 in the function, and solve for time $t$ :
$h=-16t^2+36$
$0=-16t^2+36$
$-36=-16t^2$
$t^2= \frac{-36}{-16}$
$t^2= \frac{9}{4}$
$t=(+/-) \sqrt{ \frac{9}{4} }$
$t=(+/-) \frac{3}{2}$
$t=(+/-)1.5$
Since time cannot be negative, the solution is $t=1.5$ seconds.

Since 1.5 second is significantly less than 2 seconds, we can conclude that <span>2 seconds is not a reasonable answer to this model.</span>

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4 years ago

Read 2 more answers

What is 63/120 simplified?

Anuta_ua [19.1K]

It’s 21/40 hope I helped

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4 years ago

64 is 4 times the difference between Sarah’s age, a, and 44. Assume Sarah is older than 44. Write an equation to determine Sarah

arlik [135]

64 = 4(a - 44) <== ur equation

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