Mathematics, 18.01.2021 05:20, jevanoff
Graph the function y=−14(x+4)2−1
y
=
−
1
4
(
x
+
4
)
2
−
1
on a coordinate plane using its vertex, focus, and directrix.
Answers: 2
Mathematics, 21.06.2019 22:50, Yangster9305
Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables
Answers: 3
Graph the function y=−14(x+4)2−1
y
=
−
1
4
(
x
+
4<...
=
−
1
4
(
x
+
4<...
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