Which statement describes the graph of f(x) = -x4 + 3x3 + 10x2? O
The graph crosses the x-axis at x = 0 and touches the x-axis at x = 5 and x = -2.
O The graph touches the x-axis at x = 0 and crosses the x-axis at x = 5 and x = -2.
O The graph crosses the x-axis at x = 0 and touches the x-axis at x = -5 and x = 2.
O The graph touches the x-axis at x = 0 and crosses the x-axis at x = -5 and x = 2.
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The answer is B just took it on ed

Step-by-step explanation:

true !

step-by-step explanation:

d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;