In the following equation ŷ = 25,000 + 2x with given sales (γ in $500) and marketing (x in dollars), what does the equation imply? a) An increase of $1 in marketing is associated with an increase of $26,000 in sales. b) An increase of $1 in marketing is associated with an increase of $1,000 in sales. c) An increase of $2 in marketing is associated with an increase of $26,000 in sales. d) An increase of $2 in marketing is associated with an increase of $1,000 in sales.
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.
In the following equation ŷ = 25,000 + 2x with given sales (γ in $500) and marketing (x in dollars), what does the equation imply?
a) An increase of $1 in marketing is associated with an increase of $26,000 in sales.
b) An increase of $1 in marketing is associated with an increase of $1,000 in sales.
c) An increase of $2 in marketing is associated with an increase of $26,000 in sales.
d) An increase of $2 in marketing is associated with an increase of $1,000 in sales.
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