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natali 33 [55]
3 years ago
5

If f(x) = 3x + 2, what is f(5)? O A. 1 OB. 10 O C. 17 O D. 13

Mathematics
2 answers:
ANEK [815]3 years ago
8 0

Answer:

Option C

Step-by-step explanation:

f(x)=3x+2\\\\f(5)=3(5)+2\\\\f(5)=15+2\\\\\boxed{f(5)=17}

Hope this helps.

svp [43]3 years ago
7 0

Given:

f(x) = 3x + 2

To Find:

f(5)

Answer:

C. 17

Step-by-step explanation:

Evaluate 3x + 2 where x = 5:

\longrightarrow 3 × 5 + 2

3 × 5 = 15:

\longrightarrow 15 + 2

15 + 2 = 17:

\longrightarrow 17

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Which method is better for solving the following equation?<br> 4x2+7x -8= 0
julsineya [31]
Order of operations
7 0
3 years ago
Workers are loading boxes onto a truck. So far, they have loaded 48 boxes onto the truck
Talja [164]

Answer:

1,200 total on truck

Step-by-step explanation:

48=4% loaded on a truck and they have 96% left to load

So set up a proportion and it should look like this

48 over x = 4 over 100

48/x=4/100

Do cross multiplication 100×48= 4,800÷ 4 = 1,200 total on truck

=1,200 total on truck

Hope this helps, have a nice day! :D

5 0
3 years ago
Y varies directly affects if y equals negative five when x equals 15 find X when y equals three
Anni [7]
Well,

We are given a direct proportion problem.

x varies directly as y.

\frac{x}{y}

When y = -5, x = 15.
\frac{15}{-5} \ or\  \frac{3}{-1}

Now, we are told to find x when y = 3.

\frac{x}{3}

We just have to recognize that the complete case is equal to the incomplete case.  In other words, we set the -3 equal to the x/3.

\frac{3}{-1} =  \frac{x}{3}

Multiply both sides by the LCM.
LCM of -1 and 3 = 3

-9 = x

When y = 3, x = -9.
6 0
3 years ago
A model train has a scale of 1 in : 3in. if the real train is 12ft tall then how tall is the model train
Gelneren [198K]

If the ratio of a model train to a real train exists 1:3 and the real train exists 12 feet then the model train exists 3 feet long.

<h3>How to estimate the ratio of the model train?</h3>

Given that the model train contains a scale of 1: 3 and the real train exists 12 feet tall.

The ratio indicates how many times one number has another number.

A ratio exists as the relationship in quantity between two things.

It conveys the quantity of one thing in words of another.

The ratio of a model train to a real train exists at 1 inch :3 inches.

Height of model train = 12 * 1/4

Height of model train = 3 inches

Therefore, the ratio of a model train to a real train exists 1: 3 and if the real train exists 12 feet then the model train exists 3 feet long.

To learn more about ratios refer to:

brainly.com/question/2328454

#SPJ4

4 0
2 years ago
What’s the answer? #14
N76 [4]

No, it is not an exponential function.

8 0
2 years ago
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