Well I don’t know if this will help but when you have -4=16x you would first switch the number around so that x is towards the left side then you would simply divide both sides of the equation by 16 which should get you x=-1/4
Answer:
C) ∠R
Step-by-step explanation:
they both have two marks, meaning they are congruent
ANSWER
D.

EXPLANATION
The given function is

Comparing to the general form of a trigonometric sine function,


The amplitude is absolute value of A


The period is given by



is a shift to the right of 4 units.
and

is an upward shift of 9 units
Therefore the phase shift is (4,9).
The correct answer is D