Heather bought a CD on sale for $11
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Answer: $85,000
Step-by-step explanation:
Given : In a given population of two-earner male-female couples, male earnings have a mean of $40,000 per year and a standard deviation of $12,000.
Female earnings have a mean of $45,000 per year and a standard deviation of $18,000.
If C denote the combined earnings for a randomly selected couple.
Then, the mean of C will be :-
Hence, the mean of C = $85,000
It's a cubic with a positive x^3 coefficient. The general shape is "/".
It goes to -∞ for large negative x.
It goes to +∞ for large positive x.
It goes to -∞ for large negative x.
It goes to +∞ for large positive x.
Hope this can help.
I think x-2 is factor of f(x) but x+4 is not.
I think x-2 is factor of f(x) but x+4 is not.