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Anna [14]
3 years ago
9

Question

Mathematics
2 answers:
BARSIC [14]3 years ago
8 0

Answer:

D. The domain of F(x) is all real numbers.

E. It is increasing.

Step-by-step explanation:

Given the function

f(x) = 2 • 5x

y intercept occurs at x = 0

f(0) = 2  • 5(0)

f(0) = 2 • 0

f(0)= 0

Hence the y intercept (0,0)

The domain are the input values x that makes the function exists. According to the function, the function f(x) will exist for al values of x hence the domain of F(x) is all real numbers.

If x = 0, f(x) = 0. This shows that the range of the values is y >0

The value of function f(x) also increases for increasing value of x, hence it is increasing

DiKsa [7]3 years ago
7 0

Answer:

C. The y-intercept is (0,2).

D. The domain of F(x) is all real numbers.

E. It is increasing.

Step-by-step explanation:

ap3x

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Simplify -1-5 + 21.​
BlackZzzverrR [31]

Answer:

15

Step-by-step explanation:

-1-5=-6

21-6=15

6 0
4 years ago
What formulas can you use to find the point P(x, y) along the line segment between A(x1 , y1 ) and B(x2 , y2 ) that is a fractio
sergey [27]

Answer: Walk through writing a general formula for the midpoint between two points. ... I believe you would simply find the differences in x and y from the midpoint to the one ... How would you solve a problem in which you do not know point B but are given ... the line y=x and the curve y=4x-x^2 intersect at the point p and q.

Step-by-step explanation:

7 0
3 years ago
The head of the Westlane Cultural Center wants to get a sense of how quickly pledges from donors arrive at the center. It takes
Rzqust [24]

Answer:

95.64% probability that pledges are received within 40 days

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 28, \sigma = 7

What is the probability that pledges are received within 40 days

This is the pvalue of Z when X = 40. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{40 - 28}{7}

Z = 1.71

Z = 1.71 has a pvalue of 0.9564

95.64% probability that pledges are received within 40 days

7 0
4 years ago
PLease help!!!!!!!!!!11
mafiozo [28]
X=-7 I am 100 percent sure this is right 
7 0
4 years ago
Read 2 more answers
Help fast ok thx!!!!
serg [7]

Answer:

C

Step-by-step explanation:

Given

\sqrt{3x+8} = \sqrt{4x+1}

[ note that (\sqrt{x})² = x ]

Square both sides

3x + 8 = 4x + 1 ( subtract 4x from both sides )

- x + 8 = 1 ( subtract 8 from both sides )

- x = - 7 ( multiply both sides by - 1 )

x = 7 → C

4 0
4 years ago
Read 2 more answers
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