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larisa [96]
3 years ago
11

If the parent function f(x)= x^2 is modified to g(x)= 2x^2+1, which statement is true about g(x)?

Mathematics
2 answers:
dimaraw [331]3 years ago
6 0

Answer: It’s A, even, I just took the test and it says it’s correct

Step-by-step explanation:

adell [148]3 years ago
3 0
Hello :
 <span>A) it is an even function because for all x in R :
f(-x) = 2(-x)²+1
        = 2x²+1
f(-x) = f(x)</span>
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I think it's B, but idk, pls help
ale4655 [162]
(N+18)+2n=90
3n=90-18
3n=72
N=24
Yeah it’s b, you’re correct
3 0
4 years ago
Read 2 more answers
Find the mean and standard deviation. Show all work. 1. X 0 1 2 3 4 P(x) .07 .38 .22 .13
Paraphin [41]

Answer:

Mean = 2.14

Standard deviation = 2.40

Step-by-step explanation:

The calculation of mean and standard deviation is shown below:-

X = .07\times0 + 0.20\times 1 + 0.38\times 2 + 0.22\times 3 + 0.13\times 4\\\\ = 0 + 0.2 + 0.76 + 0.66 + 0.52

= 2.14

So, the mean is 2.14

Now, For computing the standard deviation first we need to find out the variance which is shown below:-

Variance is

Var(X) = P(X^2) - [P(X)]^2\\\\ P(X^2) = .07\times (0^2) + .20\times (0^1) + .38\times (0^2) + .22\times (0^3) +0.13\times (0^4)

After solving the above equation we will get

= 5.78

Now, the standard deviation is = \sqrt{Variance}

= \sqrt{5.78}

= 2.404163056

or

= 2.40

7 0
3 years ago
Traveling with the current, a boat can travel 48 miles in 3 hours. Against the current, it takes 6 hours to go the same distance
drek231 [11]

Answer:

I

Step-by-step explanation:

8 0
3 years ago
HELP PLEASE what's the slope of the line?
Alchen [17]

Step-by-step explanation:

The slope of a line characterizes the direction of aline. To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points .

4 0
3 years ago
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Find the perimeter of the polygon defined by the coordinates (5, 8), (12, 0), (-5, 0), and (-1, 8). (Round to nearest tenth)
a_sh-v [17]
Based on my created polygon, I formed a trapezoid.

I need to use the Pythagorean theorem to solve for the two sides that are the hypotenuse of the right triangles derived from the image.

1st side: distance from -1 to 5 = 6
2nd side: distance from -5 to 12 = 17
3rd side: hypotenuse:
a = -5 to -1 = 4
b = 0 t0 8 = 8
c² = 4² + 8² = 16 + 64  = 80
c = √80 = 8.94

4th side: hypotenuse:
a = 5 to 12 = 7
b = 0 to 8 = 8
c² = 7² + 8² =  49 + 64 = 113
c = √113 = 10.63

Perimeter = 6 + 17 + 8.94 + 10.63 = 42.57 or 42.6 units.

3 0
3 years ago
Read 2 more answers
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