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:
I think she can use it 8 times
Answer:
$7.8
Step-by-step explanation:
$2.6 x 3
= $7.8
Half of the question is not there
You need to convert the quarts to fluid ounces,
I recommend google.