SOLUTION: Is the function f of x equals the quantity 2 times x plus 1 for x less than or equal to 4 and is equal to x squared plus 12 for x greater than 4 continuous? Yes No

Question 987751: Is the function f of x equals the quantity 2 times x plus 1 for x less than or equal to 4 and is equal to x squared plus 12 for x greater than 4 continuous?
Yes
No
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Less than or equal to 4, it is y=2x+1
greater than 4, it is y= x^2 +12
Look at 4.01 for example.
the second function will be greater than 16+12=28
Indeed, if the second function worked at 4, it would be 28.
It is not continuous.

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