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serg [7]
3 years ago
10

F(x) = 2x + 6, g(x) = 4x2 Find (f + g)(x).

Mathematics
1 answer:
son4ous [18]3 years ago
5 0
(f+g)(x) is simply saying add these two problems together.

(2x+6) + (4x^2) 

Parenthesis are now useless, as there is only addition.

2x + 6 + 4x^2

Reorder, cause it's pretty and familiar

4x^2 + 2x + 6

We could further simplify

2(2x^2 + x + 3)
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3 years ago
The reading of a scale at one end is 3.5 cm and at the other end is 18.5 cm. Calculate the lengths of the needle
Bumek [7]

Answer:

15 cm

Step-by-step explanation:

Given that :

Reading at one end, initial reading = 3.5 cm

Reading at the other end, final reading = 18.5 cm

Length of needle :

Final Reading - Initial reading

18.5cm - 3.5cm

= 15cm

6 0
2 years ago
What is the exact circumference of a circle with a radius of 12 inches?
kvv77 [185]
The radius of a circle is half the length of the circumference. 
So multiply 12 by itself and you get 24.
The answer is C.
5 0
3 years ago
Read 2 more answers
I need help..............
vovangra [49]

Answer:

  a_n=-3+7(n-1)

Step-by-step explanation:

The recursive rule tells you the initial term of the sequence is a1 = -3, and the common difference is d=7. (7 is the value added to one term to get the next term.)

Putting these values into the formula for the explicit rule gives ...

  an = a1 +d(n -1)

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7 0
3 years ago
The perimeter of a rectangle is 300 feet. The width of the rectangle is 10 feet more than the length. What is the width of the r
gavmur [86]
300 = 2(x + x + 10)
300 = 2(2x +10)
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x = 70
x + 10 = 80
width = 80ft
answer <span>D) 80 feet</span>
7 0
2 years ago
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