Answer:
B. 1 and D. 3.
Step-by-step explanation:
The figure below shows the graphs of f(x) = 3x - 1 (red) and g(x) = 2^x (blue).
The solutions of 3x - 1 = 2^x are the points at which the two curves intersect.
The solutions are at x = 1 and x = 3.
Check:
3 × 1 - 1 = 2¹ 3 × 3 -1 = 2³
3 - 1 = 2 9 - 1 = 8
2 = 2 8 = 8
Because when you divide both sides by a negative number, the inequality sign changes.
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Answer:
38.6m
Step-by-step explanation:
Theory of solving angle of elevation problem bus to take it as a right angle triangle.
The length of the the rope is the hypotenuse and the angle formed is the hypotenuse angle.
To determine the height , we take the side as opposite the angle.
Sin (angle) = height/hypotenus
Sin40= height/60
0.6428 *60 = height
38.568 = height
Approximately 38.6m
<span><span>±<span><span>1,3/</span>1</span>=1,3,−1,−3 hope it helps</span></span>