Evaluate the expression for the given value of the variable.The winning times (in seconds) in a speed-skating event for men can be represented by the model 
where x represents the year, with x = 0 corresponding to 1920. (For example in 1992, x would be 
What would the winning time in 1969 be according to the model? (Round the answer to the nearest hundredth.)
A. 43.71 seconds
B. 42.77 seconds
C. 2270.95 seconds
D. 41.83 seconds
Answer: D
Mathematics
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Find an equation of the line, and write it in (a) slope-intercept form if possible and (b) standard form.Through (-6, 3); m = -5
A. (a) y = -5x - 27 (b) 5x + y = -27 B. (a) y = 5x - 25 (b) -5x + y = -25 C. (a) y = -5x - 27 (b) 5x + y = 27 D. (a) y = -5x + 34 (b) 5x + y = 34
Mathematics
Graph the sinusoidal function using key points.y = 2 + sin x
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.3(1 + 2x) = 243
A. {81} B. {-2} C. {6} D. {2}
Mathematics