3 years ago

What is f(x)=2x^2+3x+7 is x=-5

Mathematics

1 answer:

Mice21 [21]3 years ago

4 0

F(-5) = 2(-5)² + 3(-5) + 7
f(-5) = 2(25) - 15 + 7
f(-5) = 50 - 8
f(-5) = 42

You might be interested in

Line l is a perpendicular bisector of line segment A C. It intersects line segment A C at point B. Line l also contains points D

N76 [4]

Answer:

First one is DC

Second one is AB.

Step-by-step explanation:

Just did them on edge.

3 0

3 years ago

Read 3 more answers

The value of -7 + 24 ÷ (-3)(2) is _____.<br><br> Show work

densk [106]

Answer:

$\boxed{=-23}$

Explanation: You had to used pemdas stands for: p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtracting that came from left to right.

First you had to multiply and divide from left to right.

$24/(-3)=-8(2)$

$8*2=16$

$-7-16$

Then you add and subtract from left to right.

$-7-16=-23$

$=-23$

Final answer: $\boxed{=-23}$

Hope this helps!

And thank you for posting your question at here on brainly, and have a great day.

-Charlie

3 0

3 years ago

What is the answer plz help

Serhud [2]

The answer is A) candy

7 0

3 years ago

Simplify: ( 1^0+2^1+3^2) ÷ 22/ 5^0

Aleksandr-060686 [28]

Step-by-step explanation:

( 1 + 2 + 9 ) ÷ 22/ 1

12 ÷ 22

6 ÷ 11

cc: Anything raised to the power of zero is 1

7 0

3 years ago

Read 2 more answers

Each of the four sides of a swimmimg pool measures 9 meters. The pool is 5 meters deep. How much water will be needed to fill it

netineya [11]

In this problem, we are asked for the volume of the pool filled with water. In this case, the volume of the rectangular prism is equal to length times width times height. Since length and width are equal, the formula includes the squaring of the length. after substitution, the formula is 9^2 * 5 equal to 405 m3.

5 0

3 years ago