A store clerk collects data and finds that as the outside temperature, u, increases, the
1 answer:
Considering that a scatter plot is a linear function, the best choice is an increasing linear function.
<h3>What is a linear function?</h3>A linear function is modeled by:
In which:
- m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
- b is the y-intercept, which is the value of y when x = 0.
A scatter-plot is the approximation of a linear function, in this problem with the input being the outside temperature and the output being the number of bathing suits. These measures are direct proportional, as they increase together, hence, the best choice for the scatter-plot is an increasing linear function.
More can be learned about linear functions at brainly.com/question/24808124
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All you need is the definition of conditional probability:
So
and the answer would be B.
Answer:
x = - 3, x =
Step-by-step explanation:
Given
4x² + 2x - 30 = 0 ( divide through by 2 )
2x² + x - 15 = 0
Consider the factors of the product of the x² term and the constant term which sum to give the coefficient of the x- term.
product = 2 × - 15 = - 30 and sum = + 1
The factors are + 6 and - 5
Use these factors to split the x- term
2x² + 6x - 5x - 15 = 0 ( factor the first/second and third/fourth terms )
2x(x + 3) - 5(x + 3) = 0 ← factor out (x + 3) from each term
(x + 3)(2x - 5) = 0
Equate each factor to zero and solve for x
x + 3 = 0 ⇒ x = - 3
2x - 5 = 0 ⇒ 2x = 5 ⇒ x =