Questions: Using the indicated points on the graph of the line, find the slope-intercept form of the line's equation. Use the percentage of adult females who are literate as the x-value. f(x)=-1.9 x+241 (Simplify your answer. Type an expression using x as the variable. Use integers or decimals for any numbers in the expression.) Use the function to predict the mortality rate of children under five in a country where 50% of adult females are literate. per thousand (Type an integer or a decimal.)

Using the indicated points on the graph of the line, find the slope-intercept form of the line's equation. Use the percentage of adult females who are literate as the x-value.

f(x)=-1.9 x+241

(Simplify your answer. Type an expression using x as the variable. Use integers or decimals for any numbers in the expression.) Use the function to predict the mortality rate of children under five in a country where 50% of adult females are literate.

per thousand

(Type an integer or a decimal.)
Transcript text: Using the indicated points on the graph of the line, find the slope-intercept form of the line's equation. Use the percentage of adult females who are literate as the $x$-value. \[ f(x)=-1.9 x+241 \] (Simplify your answer. Type an expression using $x$ as the variable. Use integers or decimals for any numbers in the expression.) Use the function to predict the mortality rate of children under five in a country where $50 \%$ of adult females are literate. $\square$ per thousand (Type an integer or a decimal.)
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Solution

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Solution Steps

Step 1: Find the equation of the line

The equation is already given in slope-intercept form: f(x) = -1.9x + 241, where x represents the percentage of literate adult females and f(x) represents the mortality rate per thousand.

Step 2: Substitute the given percentage into the equation

We are given x = 50, representing 50% of adult females being literate. Substitute this value into the equation: f(50) = -1.9 * 50 + 241

Step 3: Calculate the mortality rate

f(50) = -95 + 241 f(50) = 146

Final Answer:

The predicted mortality rate is 146 per thousand.

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