How do u do those? 15 points!

Step-by-step explanation:

1. when x is 1 f(x) = 5, as it goes down we notice an addition of 4 corresponds to the value of f(x)

thus the function f(x) = x+4

2. when x=0 f(x) = 0

   when x=3 f(x) = 9

meaning for every value of x, the function f(x) is the square of x (x²)

3. if x = 0  y =0

   if x= 3    y =7 the value of y depends on the square of x minus , x= 3 y = 3²-2 = 9-2=7

   if x=6     y= 34    proving it when x=6, y= 6²-2 = 36-2= 34

therefore the value of y = x²-2

4. when x = 2, f(x) = 7, validating the formula f(x)=2x+3, if its true or not

2(2)+3 = 4+3 = 7

when x = 10, f(x) = 23, validating the formula f(x)=2x+3, if its true or not

2(10)+3 = 20+3 = 23

therefore these proves the formula right

5. when x = 3, f(x) = 11, validating the formula f(x)=5x+4, if its true or not

5(3)-4 = 15-4 = 11

when x = 7, f(x) =31, validating the formula f(x)=5x+4, if its true or not

5(7)-4 = 35-4 = 31

6. when x = 0, f(x) = 1, validating the formula f(x)=2x+1, if its true or not

2(0)+1 = 0+1 = 1

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step-by-step explanation:

529 and 531

step-by-step explanation: