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Gekata [30.6K]
4 years ago
12

Can choose multiple answers :))

Mathematics
1 answer:
Nady [450]4 years ago
8 0
A.) f(x) = x^2 because 2 > 1. So f(2) = 4.

A is correct.

B.) f(x) = x^2 because 5 > 1. So f(5) = 25.

B is incorrect.

C.) f(x) = 2x because -2 < 1. So f(-2) = -4.

C is incorrect.

D.) f(x) = 5 because x = 1.

D is correct.

So the answer is A and D.





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If a is a positive number, 400% of a is what percent of 400a?
Stels [109]
400% of a is 4a

4a/400a = 1/100=1%
7 0
3 years ago
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What does x equal in the equation -2.3x-4.2x=-66.3
OlgaM077 [116]
3.2 because I used my calculator which is all you need to do for this problem and I just answered the question on my quiz
7 0
4 years ago
18.<br> Place parentheses in the following equation to<br> make it true.<br> 4 + 53-8 = 19
soldier1979 [14.2K]

Answer:

(4+5)3-8 = 19

Step-by-step explanation:

1) You know that the parenthesis are going to go around 3-8 or 4+5 because that is the only way multiplication is involved. If you put them anywhere else it doesn't change the answer.

2) Try solving the problems (use PEMDAS)

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4 0
3 years ago
Dos números que sumados den 1 y multiplicados den menos 50
adoni [48]

Answer:

50 and 1

Step-by-step explanation:

1 x 50

50 x 1

3 0
3 years ago
At the beginning of an experiment, the number of bacteria in a colony was counted at time t=O. The number of bacteria in the col
yan [13]

Answer:

1092

Step-by-step explanation:

We have been given that the number of bacteria in the colony t minutes after the initial count modeled by the function B(t)=9(3)^t. We are asked to find the average rate of change in the number of bacteria over the first 6 minutes of the experiment.

We will use average rate of change formula to solve our given problem.

\text{Average rate of change}=\frac{f(b)-f(a)}{b-a}

Upon substituting our given values, we will get:

\text{Average rate of change}=\frac{b(6)-b(0)}{6-0}

\text{Average rate of change}=\frac{9(3)^6-9(3)^0}{6}

\text{Average rate of change}=\frac{9(729)-9(1)}{6}

\text{Average rate of change}=\frac{6561-9}{6}

\text{Average rate of change}=\frac{6552}{6}

\text{Average rate of change}=1092

Therefore, the average rate of change in the number of bacteria is 1092 bacteria per minute.

8 0
3 years ago
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