Mathematics, 12.10.2020 22:01, jcross11nate
Which statements about the graph of the function f(x) = -x2 - 4x + 2 are true? Select three options.
A. The domain is {x|x <-2}.
B. The range is {yly < 6).
C. The function is increasing over the interval (-infinity,-2).
D. The function is decreasing over the interval (-4, infinity).
E. The function has a positive y-intercept.
Answers: 3
Mathematics, 21.06.2019 20:00, mercedespennewp72wea
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0
Answers: 2
Mathematics, 21.06.2019 21:00, Anybody6153
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
Which statements about the graph of the function f(x) = -x2 - 4x + 2 are true? Select three options....
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