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Shmuli · Answer 1 · 2023-10-04T22:02:50+0000

Answer:

A) True, B) False, C) True, D) False.

Explanation:

A) True. Every graph on a plane is the set of solutions to the equation that defines it.

B) False. Refer to the answer for question A.

C) To know whether this is true, we should substitute
x = 1 to the function's equation. If we get that
y = 2 , then (1, 2) lies on the graph as its a solution of the equation.

$y = -2(1) + 4 \to -2 + 4 \to 2$

y = 2, therefore, (1, 2) lies on the graph. True.

D) Same here as C. Now, we should substitute
x = 0 instead.

$y = -2(0) + 4 \to 0 + 4 \to 4$

y = 4, therefore, (0, 2) does not lie on the graph. False.

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