Simplify the expression. Assume that all variables are positive when they appear.4
+ 4
A. 4
B. 20x
C. 20
D. 5
Answer: C
You might also like to view...
Provide an appropriate response.Given the function F(t) = 
, find:(a)the domain(b)F(-3)(c)F(13)(d)f(t2 + 1)
What will be an ideal response?
Find the x- and y- intercepts. If there are no intercepts write "No x-intercept" or "No y-intercept".5x + 3y = 15
A. (-3, 0), (0, -5) B. (3, 0), (0, 5) C. (3, 0), (0, -5) D. (5, 0), (0, 3)
Use a proportion to solve the problem.The ratio of the lengths of strings that play the notes D and A is 3 to 2. If a string 45 centimeters long plays a D, what is the length of the string that plays an A?
A. 30 centimeters B. 48 centimeters C. 67.5 centimeters D. 47 centimeters
Solve the problem.In Country X, the average hourly wage in dollars from 1945 to 1995 can be modeled by f(x) = 
Use f to estimate the average hourly wages in 1950, 1970, and 1990.
A. $3.41, $6.80, $2.18 B. $0.72, $3.04, $6.80 C. $3.41, $0.35, $6.80 D. $0.72, $2.18, $6.80