A function is given. \[ h(t)=-t+\frac{6}{5} ; t=-6, t=1 \] (a) Determine the net change between the given values of the variable. (b) Determine the average rate of change between the given values of the variable. Need Help? Watch it
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To find the net change of the function \( h(t) = -t + \frac{6}{5} \) between \( t = -6 \) and \( t = 1 \), first calculate the function values at these points. \[ h(-6) = -(-6) + \frac{6}{5} = 6 + \frac{6}{5} = \frac{30}{5} + \frac{6}{5} = \frac{36}{5} \] \[ h(1) = -(1) + \frac{6}{5} = -1 + \frac{6}{5} = -\frac{5}{5} + \frac{6}{5} = \frac{1}{5} \] Next, compute the net change: \[ \text{Net Change} = h(1) - h(-6) = \frac{1}{5} - \frac{36}{5} = \frac{1 - 36}{5} = \frac{-35}{5} = -7 \] For the average rate of change, use the formula: \[ \text{Average Rate of Change} = \frac{h(1) - h(-6)}{1 - (-6)} = \frac{-7}{7} = -1 \] And there you have it! The net change is \(-7\) and the average rate of change is \(-1\). Fun Fact: Did you know that linear functions, like the one we're dealing with, have a constant rate of change? That means no matter where you are on that line, the slope remains the same, making it much easier to analyze and interpret than more complex functions! If you're looking to master these concepts, dive into resources that shine a light on the relationship between linear functions and their rates of change. Books or online courses in algebra can really help demystify the beauty of functions and their applications in real life!