QUESTION IMAGE
Question
pihu and angelica are each designing a suspension bridge. the height (in feet) of the cable in pihus design can be described by the following function, where x is the horizontal distance (in feet) from the point where the tower and the roadway meet. f(x) = 0.017x² - x + 40 the height of the cable in angelicas design can be described by the following graph. (draw button and a parabola graph with y-axis labeled from 10 to 35)
Since the problem is not fully stated (e.g., what is being asked about the two bridge designs, like comparing minimum heights, vertex, etc.), we can't proceed. However, if we assume a common question like finding the minimum height of Pihu's cable (since it's a quadratic function), here's a step - by - step solution for that:
Step 1: Recall the formula for the vertex of a quadratic function
For a quadratic function in the form $f(x)=ax^{2}+bx + c$, the x - coordinate of the vertex (which gives the minimum value for $a>0$) is given by $x =-\frac{b}{2a}$.
In the function $f(x)=0.017x^{2}-x + 40$, we have $a = 0.017$ and $b=- 1$.
So, $x=-\frac{-1}{2\times0.017}=\frac{1}{0.034}\approx29.41$.
Step 2: Find the minimum height by substituting x into the function
Substitute $x\approx29.41$ into $f(x)=0.017x^{2}-x + 40$.
$f(29.41)=0.017\times(29.41)^{2}-29.41 + 40$
First, calculate $(29.41)^{2}\approx865.0481$.
Then, $0.017\times865.0481\approx14.7058$.
Now, $f(29.41)=14.7058-29.41 + 40=25.2958\approx25.3$ feet.
If we want to compare with Angelica's design, we can look at the graph. The minimum value (the lowest point of the parabola) on Angelica's graph seems to be around 15 feet (from the y - axis marking). So, Pihu's cable has a higher minimum height.
But since the original problem is not fully specified, if you want to know a specific aspect (like minimum height, vertex, y - intercept, etc.), please provide more details.
If we assume the question is "Which design has a higher minimum height of the cable?"
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Pihu's design (since the minimum height of Pihu's cable is approximately 25.3 feet and Angelica's is around 15 feet).