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Paha777 [63]
3 years ago
9

What effect does replacing x with x + 2 have on the graph for the function f(x) ?

Mathematics
1 answer:
IrinaK [193]3 years ago
3 0
The answer is A.

When replacing the variable 'x' by 'x + 2' the graph is shifted 2 units to the left. When we replace the variable, the function changes

from
f(x) = |x - 3| + 2

To
f(x) = |(x + 2) - 3| + 2
f(x) = |x - 1| + 2

And therefore the function is shifted 2 to the left.
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Which equation describes the line that passes through the points (-4, 19) and (2, -1)
dangina [55]

Answer:

y=-5/2x+4

Step-by-step explanation:

find the slope by using y2-y1/x2-x1

-1-19/2-(-4)

simplify

-20/8

simplify

-5/2

use slope-intercept form, y=mx+b

since we know the slope, find b

plug in one of the ordered pairs into the equation

-1=(-5/2)(2)+b

simplify

-1= -10/2+b

simplify

-1=-5+b

add 5 to both sides

b=4

plug b into y=-5/2x+b

y=-5/2x+4

8 0
2 years ago
Read 2 more answers
(-4)(-4) use an exponent to rewrite the expression
DiKsa [7]
For this case we have the following expression:
<span> (-4)(-4) &#10;
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 Same basis, the exponents are added.
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 Then, rewriting the exponent we have:
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 Answer:
 
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5 0
3 years ago
Suppose you obtain a chi-square statistic of 67.81. Are your results statistically significant if the critical value obtained fr
Svetach [21]

Answer:

Result is statistically significant.

Step-by-step explanation:

Given that :

Chisquare statistic, χ² = 67.81

Critical value for the distribution, χ²critical = 3.84

α = 0.05

The Decison region :

If χ² statistic > Critical value ; Reject H0 ; this. Eans that result is statistically significant.

Therefore, since, 67.81 > 3.84 ; This means that the result is statistically significant at 0.05

8 0
3 years ago
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jeyben [28]

Answer:

S=98

Step-by-step explanation:

If S2 is 196 we can divide that by two and get our answer: s=98

7 0
3 years ago
Find the volume of a cylinder. Round your answer to the nearest tenth. Do not add a comma.
natali 33 [55]

Answer:

Step-by-step explanation:

Base -- find the radius

radius -- 67.8 (135.6^2 /2)

h=11.2

Volume = 2385.59

2385.60

5 0
3 years ago
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