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RSB [31]
3 years ago
6

If f(x) = x ² +1 and g(x) =3x+ 1,find [f(4)] ²

Mathematics
2 answers:
Marat540 [252]3 years ago
6 0

Answer:

289

Step-by-step explanation:

Evaluate f(4) by substituting x = 4 into f(x), that is

f(4) = 4² + 1 = 16 + 1 = 17, then

[f(4) ]² = 17² = 289

guajiro [1.7K]3 years ago
3 0

Answer:

289

Step-by-step explanation:

We don't need g at all for this.

We will need to know f(4) before continuing...

f(4) can be found by replacing x in f(x)=x^2+1 with 4:

f(4)=4^2+1

f(4)=16+1

f(4)=17

-------------------

Now let's find [f(4)]^2:

[f(4)]^2

[17]^2

17(17)

289

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A rectangle measures 2 4/ 5 inches by 1 1/ 5 inches. What is its area?
AlexFokin [52]

[ Answer ]

\boxed{3\frac{9}{25} }

[ Explanation ]

Area Of Rectangle: Length * Width

2 4/5 * 1 1/5

=======================

Convert Fractions Into Mixed Numbers:

2 4/5 = 14/5

1 1/5 = 6/5

Multiply Across:

14 * 6

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= 84/ 25

Simplify:

3 9/25

\boxed{[ \ Eclipsed \ ]}

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Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

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3 years ago
Find the measure of the indicated angle.<br><br>Answers:<br>A: 211<br>B: 81<br>C: 119<br>D: 89
Trava [24]

Answer:

89°

Step-by-step explanation:

Ok so the measure of a triangle is 180°.

We have one angle, so we need to find m∠ACB.

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180-150= 30.

m∠ACB=30°.

m∠BAC=61°.

180-(61+30)=89°

==============================================================

I hope this helps!  

Have a nice day ❤

7 0
3 years ago
Read 2 more answers
A salesman keeps 20% of his sales as a commission. How much does he have to sell to earn $1,000? It is percent proportions by th
BARSIC [14]
If he wants to earn $1000, it means that $1000 must be 20% of his overall sales.

1000 = 20% * x
1000 = 20/100x
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x = 5000

Answer: A salesman must sell products for $5000 to earn $1000.
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3 years ago
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