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In-s [12.5K]
2 years ago
14

If f(x)=x/4 -3 and g(x)= 4x^2 +2x-4, find (f+g)(x).

Mathematics
1 answer:
Bond [772]2 years ago
5 0

(f+g)x = f(x)+g(x)

Therefore,

\frac{x}{4}  - 3 +  {4x}^{2}  + 2x - 4 \\ 4 {x}^{2}  + ( \frac{x}{4}  +  \frac{8x}{4} ) - 7 \\ 4 {x}^{2}  +  \frac{9x}{4}  - 7

Therefore, the answer is B.

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The sides of a square field are 28 meters. A sprinkler in the center of the field sprays a circular area with a diameter that co
Ulleksa [173]

Answer:

168.24784 m²

Step-by-step explanation:

Area of the square:

28 x 28=784 sq. m.

Area of the circle:

π(r²)=π(14)²=196π

    =615.75216

Area not covered by the sprinkler:

784-615.75216=168.24784 m²

6 0
3 years ago
Read 2 more answers
a company is offering a job with a salary of $30,000 for the first year and a 5% raise each year after that. if the 5% raise con
Ber [7]
<span>First year is 30,000.
</span><span>Earn 5% raise every year.
</span>Growth factor is 1.05 this sounds a lot like a geometric ratio.

An = A1 × r^(n-1)Sn = A1 × (1 - r^n) / (1-r)<span>n = 40
A1 = 30,000
A40 = $30,000 * 1.05^39 = $201,142.53

S40 = A1 * (1 - 1.05^40) / (1-1.05) which becomes:
S40 = 30,000 * -6.039988712 / -.05 which becomes: 
</span>S40 = -181,199.6614 / -.05 which becomes:
S40 = $3,623,993.227

<span>The individual yearly calculations are shown below: </span>

8 0
3 years ago
OMG PLEASE HELP ME PLESE
slava [35]

Answer:

use demos

Step-by-step explanation:

7 0
3 years ago
What expression is equivalent to (4-x)+3
sattari [20]
The answer would be B
5 0
3 years ago
PLEASE HELP. I NEED THIS ASAP.
padilas [110]
Don’t know sorry I need point
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