Answer:
3
Step-by-step explanation:
Hi
The answer is : 7/24
I hope that's help!
The system of equations will be:
<h3>How to explain the euation?</h3>
The slope = (-2 - 3) / (1 - 2) = -5/-1 = 5
Uin y = mx + b
slope(m) = 5
(2,3)...x = 2 and y = 3
Now sub into the formula
3 = 5(2) + b
3 = 10 + b
3 - 10 = b
-7 = b
The equation is : y = 5x - 7 or 5x - y = 7
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Answer:
f(x) = sec x. tan x
⇔ f(x) = 1/cosx . cosx/sinx
⇔ f(x) = sin x
+) when f(x) is increasing => sin x increases
=> x will increase
+) f(x) is decreasing => x will decrease
+) f(x) is concave up => x ∈ (-pi/2; 0)
+) f(x) concave down => x ∈ (0; pi/2)
Step-by-step explanation:
18.29 is your answer!!!!! npp