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ludmilkaskok [199]
2 years ago
8

(02.02 LC) If g(x) = x2 + 2, find g(3). O9 O8 O 11 O6

Mathematics
2 answers:
Anna007 [38]2 years ago
8 0

Answer:

g(3) = 11

Step-by-step explanation:

Substitute x = 3 into g(x) , that is

g(3) = 3² + 2 = 9 + 2 = 11

Yanka [14]2 years ago
3 0

Answer:

8

Step-by-step explanation:

g(x) = 2x + 2

g(3) = 2*3 + 2             Substitute 3 for x.

g(3) = 6 + 2                 Multiply.

g(3) = 8                       Add.

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A bag contains purple marbles and blue marbles, 41 in total. The number of purple marbles is 4 less than 2 times the number of b
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Answer:

There are 26 purple marbles in the bag.

Step-by-step explanation:

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2) we want to know how many purple marbles we have, so let's rearrange for p:

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3) Our problem gives us an expression for the purple marbles in terms of the blue,  let's write it using math symbols instead of words:

<em>"The number of purple marbles is 4 less than 2 times the number of blue marbles."</em>

so: p = 2b - 4

3) Now we're going to plug this in (or substitute it) for our p in our first equation, and solve for b

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4, last step!)

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