Mathematics, 28.12.2020 04:50, kebo63
Question 17
If f(x)=4x2β3x+7 , what is f(β2) ?
A
β3
B
5
C
17
D
29
Answers: 2
Mathematics, 21.06.2019 22:40, jeffyisdrunk
The value of x in this system of equations is 1. 3x + y = 9 y = β4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (β4x + 10) = 9 βx + 10 = 9 βx = β1 x = 1 what is the value of y?
Answers: 1
Mathematics, 22.06.2019 00:30, lazybridplayer
Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45Β°. the angle that kelly looks up to see the top of the lighthouse is yΒ°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of xΒ° . in two or more sentences, explain your calculations
Answers: 1
Question 17
If f(x)=4x2β3x+7 , what is f(β2) ?
A
β3
B
5
...
A
β3
B
5
...
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