Answer:
The first one
Step-by-step explanation:
Since the altitude started at 240 ft then that will be the constant, and, since it descends 30 ft/min, then 30 will be your slope.
y=30x+240<span />
Answer:
4,5 and 6
Step-by-step explanation:
If 3<x that means x>3
If x<7 that means 7>x
possible integer values are 4,5 and 6
Answer:
cot(-270) = 0
Step-by-step explanation:
given cot ( -270)
In trigonometry function we will use cot ( -x) = -cotx
so cot (-270) = - cot270
<u>trigonometry table</u>
II quadrant I quadrant ( All positive)
sin θ 90+θ 90 -θ
<u> cosec</u> θ <u> 180-θ 360+θ</u>
third quadrant fourth quadrant
tan θ 180+θ cos θ 270+θ
cot θ 270 - θ sec θ 360-θ
Given
cot (-270) = -cot ( 270)
= - cot ( 180 + 90) (third quadrant above table)
= -cot 90 =0 ( cot θ positive in third quadrant
<u>Final answer</u>:-
cot(-270) =0
G(x) = f(x)/x
g'(x) = (xf'(x) - f(x))/x^2
g'(4) = (4f'(4) - f(4))/4^2 = (4(-5) - 3)/16 = (-20 - 3)/16 = -23/16