Mathematics, 19.10.2019 07:30, abelinoperez652
Determine which functions have two real number zeros by calculating the discriminant, b2 β 4ac. check all that apply.
f(x) = x2 + 6x + 8
g(x) = x2 + 4x + 8
h(x) = x2 β 12x + 32
k(x) = x2 + 4x β 1
p(x) = 5x2 + 5x + 4
t(x) = x2 β 2x β 15
Answers: 1
Mathematics, 21.06.2019 21:40, salinasroel22
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
Mathematics, 21.06.2019 22:00, nshuey0930
Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 β’2 is less than x& x is less than 4 β’2 is less than or equal to x & x is less than or equal to 4 β’2 is less than or equal to x& x is less than 4 β’2 is less than x& x is less than or equal to 4
Answers: 2
Determine which functions have two real number zeros by calculating the discriminant, b2 β 4ac. chec...
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