Which of the following could be an example of a function with a domain
(a,) and a range -00, b) where a > 0 and b> 0?
o a. f(x) =√(x+a)-b
o b. ax) =3√(x+a)-b
o c. f(x) = -√(x-a)+b
o d. ax) = 3√(x-b) + a
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The system of equations graphed below has how many solutions?

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%