Which Transformation Was Not Performed on Y=cos X $y=-4 \cos \left(2 x+\frac{\pi}{3}\right) ?$

question 36

Multiple Choice

Which transformation was not performed on y=cos x to obtain $y=-4 \cos \left(2 x+\frac{\pi}{3}\right) ?$

• A) Vertical stretch by a factor of 4
• B) Reflection through the x -axis
• C) Horizontal stretch by a factor of 2
• D) Horizontal shrink by a factor of \(\frac{1}{2}\)
• E) Horizontal shift left \(\frac{\pi}{6}\) units

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Definitions:

Articular Cartilage

Smooth, white tissue that covers the ends of bones where they come together to form joints, helping to reduce friction and absorb shock.

Fibrous Capsule

A tough connective tissue layer that encloses organs or joints, providing support and limiting their movement.

Rheumatoid Arthritis

An autoimmune disease that causes chronic inflammation of the joints, leading to pain, swelling, and eventually joint deformity.

Autoimmune Disease

A condition in which the immune system mistakenly attacks the body's own tissues, causing various diseases.