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The points (0,2), (1,3), (2,6), and (3,11) are on the graph of a function. Which of the following equations represents that function?

A.h(x)=x^2+2
B.h(x)=0.5x^2+1.5
C.h(x)=2x^2
D.h(x)=x+2

User Yanhua
by
8.3k points

1 Answer

10 votes

Given:

The points (0,2), (1,3), (2,6), and (3,11) are on the graph of a function.

To find:

The function.

Solution:

In option A,


h(x)=x^2+2

Putting x=0, 1, 2, 3 respectively, we get


h(0)=(0)^2+2=2


h(1)=(1)^2+2=3


h(2)=(2)^2+2=6


h(3)=(3)^2+2=11

The function passes through the points (0,2), (1,3), (2,6), and (3,11). So,
h(x)=x^2+2 is the required function.

In option B,


h(x)=0.5x^2+1.5

At x=0,


h(0)=0.5(0)^2+1.5=1.5\\eq 2

So, option B is incorrect.

In option C,


h(x)=2x^2

At x=0,


h(0)=2(0)^2=0\\eq 2

So, option C is incorrect.

In option D,


h(x)=x+2

At x=2,


h(2)=(2)+2=4\\eq 6

So, option D is incorrect.

Therefore, the correct option is A.

User John Laffoon
by
8.3k points

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