The graph of 3x − 2y = -1 is shown on the grid. Which ordered pair is in the solution set of 3x − 2y ≥ -1?
2 answers:
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Answer:
2) (-∞, 17]
Step-by-step explanation:
The leading coefficient of the function is negative, so the parabola opens downward. The vertex will be a maximum, the upper end of the range. The lower end of the range will be -∞.
The vertex of the function lies on the axis of symmetry. The maximum can be found by evaluating the function at x=-4.
y = -(-4)² -8(-4) +1 = -16 +32 +1 = 17
The range of the function is (-∞, 17].
First you have to find the angle B (check attachment)
Then you can find the last angle inside the triangle, which I'll call C
Now you can find angle A
Answer:
the required answers are :
c) x = 2
d) x = 27 / 7
e) x = 9
f ) x = 6
Step-by-step explanation:
for explanation see the attached image
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