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lapo4ka [179]
3 years ago
5

Function f is defined by equation: 2 1.) What is f(2)? 2.) What is f(3)? HELP PLS

Mathematics
1 answer:
True [87]3 years ago
7 0

Answer:

f(2) = 4

f(3) = 9

Step-by-step explanation:

a function means you are supposed to input the given number into the statement you have been given, I hope it makes sense.

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What is x and y? 2x-2y=-4 2x+y=11 Is there infinitely many solutions, 1 solution, or no solution? solve by elimination.
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Let's solve your system by substitution.

2x−2y=−4;2x+y=11

Rewrite equations:

2x+y=11;2x−2y=−4

Step: Solve2x+y=11for y:

2x+y=11

2x+y+−2x=11+−2x(Add -2x to both sides)

y=−2x+11

Step: Substitute−2x+11foryin2x−2y=−4:

2x−2y=−4

2x−2(−2x+11)=−4

6x−22=−4(Simplify both sides of the equation)

6x−22+22=−4+22(Add 22 to both sides)

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6x/6 = 18/6

(Divide both sides by 6)

x=3

Step: Substitute3forxiny=−2x+11:

y=−2x+11

y=(−2)(3)+11

y=5(Simplify both sides of the equation)

Answer:

x=3 and y=5

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