What value is a discontinuity of x squared plus 7 x plus 1, all over x squared plus 2 x minus 15? x = −1 x = −2 x = −5 x = −4.

answer:

explanation: what is this supposed to mean, pls ask me some questions? and what’s year 7 naplan?

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answer:

When we have different classes of data, there is always an upper and a lower class limit for it i.e. the dataset has a smallest and largest value. Class boundary is the midpoint of the upper class limit of one class and the lower class limit of the subsequent class.

Explanation: