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NemiM [27]
3 years ago
13

What is the answer to this?

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
6 0

Answer:

A. h^2+9h+23


Step-by-step explanation:

F(x) = x^2 +3x + 5.

For f( 3+h), put x = 3+h.

F( 3+h)= (3+h) ^2 + 3 (3+h) +5 = 9 +h^2 + 6h + 9 + 3h + 5 = h^2 + 9h + 23.

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Consider the function g:
Alja [10]
Another way to ask this question: where the x-value of function g equals 12, what's the y-value?

remember that function notation is like so: f(x), g(x), h(x)... so the number in the parentheses is an x-value from the function.

look through your points and find the one that represents an x-value of 12. (12, 19) is the point, and 19 is your output--so, g(12) = 19.
6 0
3 years ago
A photographer’s camera sits on a tripod that is 1.8 m above the ground. The base of the tripod is 44 m from the base of a tree.
ryzh [129]
I found 37.4 m.
I tried using trigonometry and the tangent of an angle (in this case 39°):


6 0
3 years ago
Help please and show the steps! thank you!​
san4es73 [151]

Answer:

#1.  x = -1

Answer = 8

#2. x = 1/5

Answer = 344/25

#3. x = 14

Answer =  13328

Step-by-step explanation:

#1. a. plug in -1

f(-1)= (5(-1)^3) - (2(-1)^2 - (-1) + 14

b. Solve the exponents.

(5(-1)^3)

(5x-1)

(-5) - (2(-1)^2) - (-1) + 14

(2(-1)^2)

(2x1)

(-5) - (2) - (-1) +14

c. simplify.

(-5) - (2) + 1 + 14

-7 + 15

8

#2.

f(1/5)= (5(1/5)^3) - (2(1/5)^2 - (1/5) + 14

(5(1/5)^3)

(5 x 1/125)

(1/25) - (2(1/5)^2)

(2 x 1/25)

(2/25)

(1/25) - (2/25) - (1/5) +14

(-1/25) - (1/5) +14

Note: (1/5) turns into (5/25) so it can be subtracted.

-6/25 + 14

Note: 14 turns into 350/25 so it can be added.

350/25 - 6/25 = 344/25

#3.

f(14)= (5(14)^3) - (2(14)^2 - (14) + 14

Note: Normally you do the exponents first but I'm just going to casually take out the two 14s at the end cause they cancel each other out.

f(14)= (5(14)^3) - (2(14)^2)

( 5 (14^3))

(5 x  2744)

(13720) - (2(14^2))

(2 (14^2))

(2x196)

392

(13720) - 392

13328

Good Luck!

3 0
3 years ago
X<br> What is 4 4/5x4 3/5
Marina CMI [18]

Answer:

16 12/5= 18 2/5

Step-by-step explanation:

you get the answer and then simplify it to become a mixed number

8 0
3 years ago
create an equation that relates 15ft and 6ft based on the length being three more than twice the width
Gemiola [76]

Answer:

l = 2w + 3

Step-by-step explanation:

The length is 15ft. The width is 6ft. So, 15 = 2(6) + 3. 12 plus 3 is 15.

4 0
3 years ago
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