Explanation Given information: The given graph is: Linear function: The graph of a linear function is a straight line. Quadratic function: The graph of a quadratic function is known as a parabola. If a parabola opens up, then a > 0 on the other hand if a parabola opens down, then a < 0 . Polynomial, neither quadratic nor linear: Polynomial that has a degree greater than two is known as neither linear nor quadratic. Exponential function: The graph of an exponential function rises or falls rapidly

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Chapter R.7, Problem 5E

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To identify: The function from the following, linear fx=mx+b ; quadratic fx=ax2+bx+c, a>0 ; quadratic fx=ax2+bx+c, a<0 ; polynomial, neither quadratic nor linear; exponential fx=a0⋅ax, 0<a<1 or a>1

,which is the best model for the graph:

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Chapter R.7, Problem 4E

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The function from the following, linear f x = m x + b ; quadratic f x = a x 2 + b x + c , a > 0 ; quadratic f x = a x 2 + b x + c , a < 0 ; polynomial, neither quadratic nor linear; exponential f x = a 0 ⋅ a x , 0 < a < 1 or a > 1 ,which is the best model for the graph:

Solution Summary: The author explains that the graph of a linear function is straight line, whereas quadratic functions are polynomial and exponential functions.

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To identify: The function from the following, linear fx=mx+b ; quadratic fx=ax2+bx+c, a>0 ; quadratic fx=ax2+bx+c, a<0 ; polynomial, neither quadratic nor linear; exponential fx=a0⋅ax, 0<a<1 or a>1

,which is the best model for the graph:

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Chapter R Solutions

The function from the following, linear f x = m x + b ; quadratic f x = a x 2 + b x + c , a &gt; 0 ; quadratic f x = a x 2 + b x + c , a &lt; 0 ; polynomial, neither quadratic nor linear; exponential f x = a 0 ⋅ a x , 0 &lt; a &lt; 1 or a &gt; 1 ,which is the best model for the graph:

Solution Summary: The author explains that the graph of a linear function is straight line, whereas quadratic functions are polynomial and exponential functions.

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To identify: The function from the following, linear fx=mx+b ; quadratic fx=ax2+bx+c, a>0 ; quadratic fx=ax2+bx+c, a<0 ; polynomial, neither quadratic nor linear; exponential fx=a0⋅ax, 0<a<1 or a>1 ,which is the best model for the graph:

Want to see the full answer?

Chapter R Solutions

The function from the following, linear f x = m x + b ; quadratic f x = a x 2 + b x + c , a > 0 ; quadratic f x = a x 2 + b x + c , a < 0 ; polynomial, neither quadratic nor linear; exponential f x = a 0 ⋅ a x , 0 < a < 1 or a > 1 ,which is the best model for the graph:

To identify: The function from the following, linear fx=mx+b ; quadratic fx=ax2+bx+c, a>0 ; quadratic fx=ax2+bx+c, a<0 ; polynomial, neither quadratic nor linear; exponential fx=a0⋅ax, 0<a<1 or a>1

,which is the best model for the graph: