The graph below shows the path of a model rocket after its launch from the ground. 14

What is the domain of the function that represents the height of the model rocket with respect to time?
all integers from 0 to 6
all integers from 0 to 20
all real numbers from 0 to 6
all real numbers from 0 to 20

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.