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Naily [24]
3 years ago
9

If f(x)=2x^2+3x and g(x)=x-2, what is (f+g)(2)

Mathematics
1 answer:
Alika [10]3 years ago
8 0

Answer:

14

Step-by-step explanation:

f(x)= 2x^{2}+3x

g(x)=x-2

(f+g)= 2x^{2}+3x+x-2

(f+g)= 2x^{2}+4x-2

(f+g)(2)= 2*(2)^{2} +4*(2)-2 = 14

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Help me pleeeeeeeeassse!!!!!!!
liubo4ka [24]

Answer:

b, y = 9x + 7

Step-by-step explanation:

Since the graph y = 9x + 10 is being "translated" 3 units down, that means the slope of the equation remains the same, but the y intercept is being moved 3 units down.

y = mx + b

y-intercept = b = 10

10 - 3 = 7

the answer is b, y = 9x + 7

4 0
3 years ago
At Miramar college, 71% of students will graduate. Of students who will graduate, 53% are female. At the college 49% are male an
gladu [14]

Answer:

0.3763

Step-by-step explanation:

Given :

  • Students graduated = 71%
  • Male students = 49%
  • Female Students = 100% - 49% = 51%
  • Female students out of graduated students = 53%

Prob (Female & Graduate) = Proportion of female of students  who graduate who graduate

= 53% of 71% = 0.53 x 0.71 = 0.3763

6 0
3 years ago
Which of the following is equivalent to −3(2n)2?
natka813 [3]
I believe -3(2n)2 is equal to -6n(2)
5 0
3 years ago
A random sample of 40 college students has a mean earnings of​ $3120 over the summer months. Assume the population standard devi
PSYCHO15rus [73]

Answer:

A normal distribution or z-test is used to construct a confidence interval.

Step-by-step explanation:

We are given the following in the question:

Sample mean, \bar{x} = $3120

Sample size, n = 40

Population standard deviation, σ = $677

The distribution of earnings of college is a normal distribution.

Conditions:

  • Since we are given the population standard deviation and the the sample size is also greater than 30.

Conclusion:

Thus, we use a normal distribution or z-test to construct a confidence interval.

4 0
3 years ago
A video game displays 84 frames in 4 seconds on Penelope's computer. What is the rate in frames per second?
svetlana [45]

Answer: 21

Step-by-step explanation: 84/4 = 21

8 0
3 years ago
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