Question

Given y = A sin(B(x + C)) + D

Answer 1

The statement that is not true about the given trigonometric graph is; Option A:  The vertical phase shift of y = 3 sin(-5x - π/2) - 6 is; π/5

How to Interpret Trigonometric Graphs?

Let us analyze the options;

A) For the give equation;

y = 3 sin(-5x - π/2) - 6

From the general equation given we can say that;

A = 3

B = 5

C = -π/2

D = -6

Thus, phase shift = C/B = -(π/2)/5

Phase Shift = -π/10.

Thus, option A is not correct.

B) Period = 2π/B

Thus; Period = 2π/5

Formula for frequency from period is;

Frequency = 1/period

Thus, it is correct that Period and frequency vary indirectly

C) As B gets bigger, the period gets smaller and the frequency gets greater. Thus, this option is correct

D) This statement is correct.

Read more about Trigonometric Graphs at; brainly.com/question/10700288

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