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3 years ago

13

What is the rate of change between (2,2) and (17,7)

1 answer:

choli [55]3 years ago

5 0

Answer:

1/3

Step-by-step explanation:

(7-2)/(17-2)=5/15=1/3

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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:

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

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

4 0

3 years ago

The indoor climbing gym is a popular field trip destination. This year the senior class at High School A and the senior class at

Tamiku [17]

Answer:

50 students per bus and 9 students per van

Step-by-step explanation:

I just guessed until I got it right, so I don't really have a method. If I ever find a better way of doing it, I'll edit my answer.

7 0

3 years ago

If a test is worth 90 points, how many points are needed to get a B?

nirvana33 [79]

Answer:

70%

Step-by-step explananation:

sorry for the previous answer I was thinking u meant something else

8 0

3 years ago

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The temperature at 12 am was 44 degrees. The temperature dropped steadily for the next 8 hours to reach the daytime low of 20 de

antoniya [11.8K]

Answer:

y=-3x+80

Step-by-step explanation:

Points (12,44) and (20,20)

slope = -3

Equation of line: y - 44 = -3(x - 12)

7 0

3 years ago

Sorry guys but i have a lot more ques

Vika [28.1K]

Answer:

The price f the bikes is 90$

Step-by-step explanation:

Because 30% of 300 is 90.

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3 years ago

Read 2 more answers