Answer:
A: y = 2x + 1
Step-by-step explanation:
Alright, let's see.
Equation 1: y = 2x + 1
Equation 2: y^2 = 3x + 1
Equation 3: y = 5x^5 − 1
Equation 4: y = 4x^4 − 1
The moment exponents are involved, the line on the chart becomes all squiggly, and thus not a function, as they're mildly unpredictable. The only equation here that makes sense is Equation 1 (see above).
Let's say, our input number is ten (10).
y = 2*10 + 1
y = 20 + 1
y = 21
Now, our input is four (4).
y = 2*4 + 1
y = 8 + 1
y = 9
Let's try another equation. Equation 2. Our input will be ten (10).
y^2 = 3*10 + 1
y^2 = 30 + 1
y^2 = 31
What to the second power equals 31?
alright so i went off on a tangent there basically but the answer is A
