Determine the sign of the trigonometric function.cos 345°
A. Negative
B. Positive
Answer: B
You might also like to view...
Determine all values that cause the expression to be undefined.
A. 0 B. -5 , 9 C. 5, -9 D. -45
Solve.
> 0
A. (-4, ?), or {x
x > -4}
B. [-4, ?), or {x
x ? -4}
C. (4, ?), or {x
x > 4}
D. (-?, -4), or {x
x < -4}
Solve.Computer sales in the United States have increased since 1992. The polynomial 
can be used to approximate the number of computer sales during the years 1990-2000 where x is the number of years after 1990 and the value of the polynomial is the computer sales (in millions). Use the function to predict the number of computers sold in 2001. Round the answer to the nearest tenth of a million.
A. 11.6 million computers B. 17.2 million computers C. 19.0 million computers D. 15.5 million computers
Solve the problem. Use the approximate APR formula to estimate the APR, and round rates to the nearest tenth of a percent.Maria Perez bought a washer-dryer combination on sale for $450, charging it to her card and agreeing to pay $40.51 per month for one year. Find the approximate annual percentage rate for this loan.
A. 14% B. 16% C. 15.8% D. 14.8%