Describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x).f(x) = -2 cos 7x ; g(x) = cos x
A. Horizontal shrink by a factor 
, vertical stretch by a factor of 2, reflection across x-axis
B. Horizontal shrink by a factor 
, vertical stretch by a factor of 2, reflection across y-axis
C. Horizontal shrink by a factor 
, vertical stretch by a factor of 7, reflection across y-axis
D. Horizontal stretch by a factor 7, vertical stretch by a factor of 2, reflection across x-axis
Answer: A
You might also like to view...
Convert the temperature. Give your answer to the nearest tenth of a degree.-15°F = °C
A. -8.3°C B. -27.0°C C. 5.0°C D. -26.1°C
Find the surface area of the circular solid. Unless otherwise specified, use 3.14 for ? and round your answer to the nearest tenth.A right circular cylinder with d = 16 m, h = 5.3 m
A. 668.2 m2 B. 1065.1 m2 C. 535.1 m2 D. 334.1 m2
Write the decimal as a percent.3.00
A. 30% B. 0.03% C. 0.3% D. 300%
If the number in the statement is written in scientific notation, write it without exponents. If it is written without exponents, write it in scientific notation.A computer can do one calculation in 1.4 × 10-7 seconds.
A. 0.00000014 B. 14,000,000 C. 0.000014 D. 0.000000014