A flare is designed to follow the path modeled by the function h(t) = –16t2 + 100t, where t is the time elapsed, in seconds, and
h(t) is the height, in feet, of the flare at that time. The function can be used to convert the height in feet to the height in meters.
Which composite function can be used to determine the height, in meters, of the flare at any given time?
Which composite function can be used to determine the height, in meters, of the flare at any given time?
1 answer:
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Answer:
A. b = 2/5f
Step-by-step explanation:
Andre's equation is in the form ...
b = kf
The value of k can be found by dividing by f:
b/f = k
For Priya's recipe, the values are ...
b/f = k = 3/7.5 = 2/5
Andre's equation is ...
<h2><u>Answer with explanation:</u></h2>
Let p be the proportion of voters in a certain state support an increase in the minimum wage.
As per given , we have
Since alternative hypothesis is right-tailed so the test is a right-tailed test.
Test statistic :
, where n= sample size.
p= population proportion.
= sample proportion.
. In a random sample of 300 fast food workers for 240 supporters increase an minimum-wage.
i.e. n= 300 and
Then,
For significant level α = .05 , the critical z-value is
Decision : Since calculated z-value (3.78) is greater than the critical value (1.645) , so we reject the null hypothesis.
Conclusion : We have sufficient evidence o support researcher's claim that that the percentage of fast food workers for support and increase is higher than 70%..