Solve the problem.The weekly sales in thousands of items of a product has a seasonal sales record approximated by 
(t is time in weeks with 
referring to the first week in the year). During which week(s) will the sales equal 79,020 items?
A. week 4 and week 47
B. week 30 and week 47
C. week 21 and week 30
D. week 4, week 20, and week 52
Answer: D
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Determine whether the equation is an identity, a conditional equation, or an inconsistent equation.3(3x + 6) = 9x + 18
A. Identity B. Conditional equation C. Inconsistent equation
Find f[g(x)] and g[f(x)].f(x) = 5x + 9; g(x) = 4x - 7
A. f[g(x)] = 20x - 26 g[f(x)] = 20x + 29 B. f[g(x)] = 20x + 29 g[f(x)] = 20x - 26 C. f[g(x)] = 20x - 29 g[f(x)] = 20x + 26 D. f[g(x)] = 20x + 26 g[f(x)] = 20x - 29
Follow the principles of estimation to find an approximate value.Estimate by rounding to the nearest ten for the divisor and the nearest hundred thousand for the dividend.
A. 10,000 B. 10,112.3596 C. 10,256.1124 D. 10,142.1556
Graph the function.f(x) = 
A. 
B. 
C. 
D. 