2 years ago

If g(x) = - 2x² - 5x + 7, then what is the value of g(-2)?

Mathematics

1 answer:

uranmaximum [27]2 years ago

5 0

Answer:

16 + 10 + 7, which equals 33

Step-by-step explanation:

g(-2) means you need to replace all x's in the equation with -2. So the equation becomes:

-2(-2)^2 - 5(-2) + 7, which equals 16 + 10 + 7, which equals 33

Hope this helps!

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A stone is thrown upward from ground level. With what minimum speed should the stone be thrown so as to reach a height of 49 fee

Sveta_85 [38]

The correct answer of the given question above would be 8ft/sec. The minimum speed that the stone be thrown so as to reach a height of 49 feet is 8ft/sec. Consider this given solution here:
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u = 8 ft/sec
Hope this answer helps and this is what you are looking for.

6 0

3 years ago

Find (3) if f(x)=x2 + 2x2-x-1

Olenka [21]

Answer:

The correct answer is:

$f(3)=23$