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oee [108]
3 years ago
6

Given the function f(x)=2+8x^2 , calculate the following. f(a)= 2+8a^2 f(a+h)= ?

Mathematics
1 answer:
vladimir2022 [97]3 years ago
5 0

Answer:

2+ 8a²+16ah+8h²

Step-by-step explanation:  f(a+h)= 2+8(a+h)²= 2+8(a+h)(a+h)

= 2+ 8(a²+2ah+h²) =2+ 8a²+16ah+8h²

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F(x) = (3x-5)(4x+2) <br> is the function linear or quadratic ?
Vikki [24]

Answer:

f(x)=(3x-5)(4x+2) is a quardatic function.

Step-by-step explanation:

f(x)=(3x-5)(4x+2)

simplify

f(x)=3x(4x+2)-5(4x+2)

f(x)=12x^{2} +6x-20x-10

adding the coefficients of x, we get

f(x)=12x^{2} -14x-10

which is quardatic equation since it contains the terms 12x^{2}.



4 0
3 years ago
The mirror is 5 feet in front of him and is approximately 40 feet from the base of the mountain. ∆ Jackson is 6’4” tall. Approxi
likoan [24]

The height of the top of the mountain is 50.67 feet

<h3>The mirror</h3>

Jackson placing the mirror in front of him will result in relations that have equivalent ratios.

<h3>Equivalent ratios</h3>

So, the equivalent ratios are represented as:

5\ ft : 40 \ ft= 6'4" : x

Where x represents the height of the mountain

Cancel out the common units

5 : 40= 6'4" : x

Express as fractions

\frac{5 }{ 40}= \frac{6'4" }{ x}

Make x the subject

x = 6'4" \times \frac{40}{5}

x = 6'4" \times 8

Multiply

x = 48'\ 32"

Convert the unit to feet

x = 48' + \frac{32}{12}'

x = 48' + 2.67'

x = 50.67'

Hence, the height of the top of the mountain is 50.67 feet

Read more about equivalent ratios at:

brainly.com/question/2328454

8 0
2 years ago
Convert y-5=-3( x+2) in standard form
Semmy [17]

Answer:

3x + y = -1

Step-by-step explanation:

y-5=-3( x+2)

once you distribute, you get y-5=-3x-6

then, add 5 to each side and get y=-3x-1 (this is slope intercept form)

finally, add 3x to each side to get 3x+y=-1 (standard form: Ax + By = C)

6 0
3 years ago
BRAINLEIEST!!! Mr. Yu applies 12 ounce of fertilizer to every 58 square meter of his lawn. How many ounces of fertilizer does Mr
Alex Ar [27]
24 ounces per square meter
7 0
4 years ago
Read 2 more answers
Can you solve this Hey What is 4y + 2 – y
kap26 [50]

Answer:

3y + 2

Step-by-step explanation: add like terms

5 0
3 years ago
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