Answer:
The fourth line is a function.
Step-by-step explanation:
The statement that is true is : B. The slope is positive
Step-by-step explanation:
An important trend to note in the plot is that the population increased by the same amount each year.This means that the slope of the graph is constant and is positive.
A zero slope means the x values stay constant for every value of y. This is a horizontal line. A negative slope occurs when the slope is decreasing with values of x and y. Undefined slope occurs where denominator of the fraction is zero.
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Meaning of slope in linear graph:brainly.com/question/11497218
Keywords: scatterplot, population,increase, same amount, slope,statement,best fit
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Answer:
feldspar, because it has a higher number then gypsum and apatite, and it can be scratched by quartz because it has a lower number.
