Search
Ask a question
0

Is y=x2+3 not a function or function?

The 2 is an exponent

2 Answers by Expert Tutors

Tutors, sign in to answer this question.
Arturo O. | Experienced Physics Teacher for Physics TutoringExperienced Physics Teacher for Physics ...
5.0 5.0 (66 lesson ratings) (66)
0
Student,
 
Test it.  For any value of x, is there a unique value of f(x)?  You should find that f(x) is unique for any given x, which makes f(x) a function.
Mark M. | Mathematics Teacher - NCLB Highly QualifiedMathematics Teacher - NCLB Highly Qualif...
4.9 4.9 (187 lesson ratings) (187)
0
It is a quadratic function.