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3 years ago

Help Please A- y = x B- y = 2x C- y = -2x D- y = x + 2

Mathematics

2 answers:

Alex73 [517]3 years ago

4 0

The answer is D because it doesn’t not pass through the origin

Over [174]3 years ago

3 0

Answer:

y = x

Step-by-step explanation:

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If f(x-3)=x^2-4x+5, what's f(1-x)

olganol [36]

Answer:

$\large\boxed{f(1-x)=x^2-4x+5}$

Step-by-step explanation:

$f(x-3)=x^2-4x+5\\\\f((x-3)+3)\to\text{put x + 3 to the equation of the function:}\\\\f(x-3+3)=(x+3)^2-4(x+3)+5\\\text{use the distributive property and}\ (a+b)^2=a^2+2ab+b^2\\f(x)=x^2+2(x)(3)+3^2+(-4)(x)+(-4)(3)+5\\f(x)=x^2+6x+9-4x-12+5\qquad\text{combine like terms}\\f(x)=x^2+(6x-4x)+(9-12+5)\\f(x)=x^2+2x+2\\\\f(1-x)\to\text{put 1 - x to the equation of the funtion f(x):}\\\\f(1-x)=(1-x)^2+2(1-x)+2\\\text{use the distributive property and}\ (a-b)^2=a^2-2ab+b^2$

$f(1-x)=1^2-2(1)(x)+x^2+(2)(1)+(2)(-x)+2\\f(1-x)=1-2x+x^2+2-2x+2\qquad\text{combine like terms}\\f(1-x)=x^2+(-2x-2x)+(1+2+2)\\f(1-x)=x^2-4x+5$

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3 years ago

Question 1: Mrs. March jogged 10 miles in 110 minutes. If

nekit [7.7K]

Answer:

To find the answer to these questions, you normaly divide the distance by the time, and then you know how long it took and multiply it by the new distance.

Step-by-step explanation:

110/10=11

to jog one mile it took her 11 minutes

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3 years ago

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nalin [4]

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I believe its the second one.

Step-by-step explanation:

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3 years ago

Pls pls help!!!!!!!!!!

netineya [11]

9514 1404 393

Answer:

Step-by-step explanation:

Let f represent the number of friends. Their total earnings are ...

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3 years ago

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PilotLPTM [1.2K]

Answer:

C 9i

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Step-by-step explanation:

sqrt(-81)

sqrt(81) sqrt(-1)

we know that sqrt(-1) = i

±9i

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3 years ago