The following histogram represents the number of children visiting the park in evening at different time intervals: 50 45+ 40+ 35 30 25 20 15 + 10 4:30 55:30 6:30 7 7:30 Time Answer the following questions by looking at the histogram. Frequency

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.