Answer:
EX: f(x) ≥ 0 over the interval [-1, 1].
Driskill Mountain is 163.5m-.5m = 163m above sea level.
I’m pretty sure the answer is A! :)
Answer:
y = 1/9x +10
Step-by-step explanation:
It is convenient to start with a version of point-slope form and simplify the result.
y = m(x -h) +k . . . . . line with slope m through point (h, k)
Using the given numbers, we have ...
y = (1/9)(x -18) +12
y = 1/9x -2 +12 . . . . . eliminate parentheses
y = 1/9x +10
Ok so 80 and 4x-y form a straight angle.
80+(4x-y)=180
4x-y=100
(4x-y) and (x+2y+10) also form a straight angle, but we know that 4x-y=100
100+x+2y+10=180
x+2y+110=180
x+2y=70
Now we have a system of equation
4x-y=100
x+2y=70
Solve the first equation for y
-y=-4x+100
y=4x-100
Substitute y
x+2(4x-100)=70
x+8x-200=70
9x=270
x=30
Now plug in the known x value
30+2y=70
2y=40
y=20
Final answer: x=30, y=20
