1.4. Frederick works in a grocery store and also mows lawns. He earns $10 per hour a
2 answers:
Answer:
<h2>B. y = -1.5x + 350</h2>Step-by-step explanation:
Givens
- Frederick earns $10 per hour at the grocery store.
- He earns $8.50 per hour mowing lawns.
- He worked 35 hours last week.
represents hours mowing lawns, which make him earn $8.5 each.
represents the total earnings, mowing lawns plus grocery store.
Now, we know that he worked 35 hours in total. So, if he worked mowing lawns, then he worked
hours in the grocery store, which represents +$10 per hour. So, this situation can be expressed as
Then, we solve the operations
Therefore, the right choice is B. y = -1.5x + 350
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The graphed function, F(x), has a value greater than 0 over the intervals (-0.7, 0.76) and (0.76, ∞) . F(x) > 0 over the intervals (-0.7, 0.76) and (0.76, ∞) is the correct statement [Fourth choice].
About a Graphed Function
The function graph of an object F stands for the set of all points in the plane that are (x, f(x)). The graph of f is also known as the graph of y = f. (x). The graph of an equation is thus a specific example of the graph of a function. A graphed function is a function that has been drawn out on a graph.
It is evident from the attached graph that the supplied function exceeds 0 for the following range:
-0.7 < F(x) < 0.76
And, 0.76 < F(x) < ∞
As a result, the intervals for which the given graphed function, F(x) is greater than 0 are as follows,
(-0.7, 0.76) and (0.76, ∞)
Learn more about a graphed function here:
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