Answer:

Step-by-step explanation:
<u>Value of functions</u>
To evaluate a function for a given value of x, we replace the x for the value and perform the resulting operations.
The given function is (corrected):

We need to find f(-4), so we use x=-4:



Step-by-step explanation:
heght x base
13 x 18
the hight can be measured by the paralel
Answer:
c. 12
Step-by-step explanation:
PA² = (BC + PB) × PB => tangent-secant theorem
PA = 8
PB = 4
BC = ?
Substitute
8² = (BC + 4) × 4
64 = 4BC + 16
64 - 16 = 4BC + 16 - 16
48 = 4BC
48/4 = 4BC/4
12 = BC
BC = 12
Answer:
A line perpendicular to another has a slope that is the negative reciprocal of the slope of the other line. The negative reciprocal of the original line is –2, and is thus the slope of its perpendicular line.
Step-by-step explanation:
Answer:
its dark blue
Step-by-step explanation: im sure if im wrong im sorry