The graph below depicts grade-point average versus hours of studying. Which of the following statement is true

Mathematics

1 answer:

antiseptic1488 [7]4 years ago

6 0

The scatter graph tells us that the more hours spent studying, the higher grade-point average will be. This shows a positive correlation. So option B and D are incorrect.

Point A also incorrect as the explanatory variable (or the independent variable) is the hours of studying (x-axis). The hours of studying does not depend on the grade BUT the grade does depend on the hours spent studying

The value on the graph is quite close to each other and this indicates the coefficient closes to one. Point B is the correct statement.

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Which graph represents the piecewise-defined function f(x) = StartLayout enlarged left-brace 1st Row 1st column negative 1.5 x +

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Answer:

Option A or first option

Step-by-step explanation:

The function is

$f(x) = \left \{ {{-1.5x + 3.5, x$

Correct description is the first option with the exception of point (2,0), it should read (2, 0.5)

On a coordinate plane, a piecewise function has 2 lines. The first line has an open circle at (2, 0) and then goes up through (1, 2) with an arrow instead of an endpoint. The second line has a closed circle at (2, 6) and goes up through (3, 7) with an arrow instead of an endpoint.

The graph is attached