Concept explainers
(a)
To Evaluate: A function rule for the area of a
(a)
Answer to Problem 3P
Area of the triangle is 288 square inches
Explanation of Solution
Given information: The height of the triangle is 4 inch more than twice the base of the triangle.
Length of the base is 16 in.
Identify the function rule: The function rule to find the area of the triangle.
Let ‘b’ be the base of the triangle
Height of the triangle is 4 inch more than twice the base of the triangle
Area of the triangle ‘A’ is
Evaluate:
Base of the triangle is 16 in. Substitute 16 for ‘b’
Area of the triangle is 288 square inches
(b)
To graph: Graph the function that is used to find the area of the triangle.
(b)
Answer to Problem 3P
Function rule is not linear
Explanation of Solution
Given information: Function rule to find area of the triangle
Graph: Graph the function rule using the table. Assume some numbers for b and find the area
Base(b) | Area(A) |
0 | 0 |
4 | 24 |
5 | 35 |
Plot the coordinate on the graph
The graph is a curve. The graph is not a straight line. So , it is not linear
The rule is non linear.
Chapter 4 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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