Solve the equation using graphical methods. Round to the nearest thousandth when appropriate.
- 7 = 
- 7
A. x = 2
B. x = -2
C. x = 1
D. x = -1
Answer: D
Mathematics
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The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 10t - t2, 0 ? t ? 10Find the body's displacement and average velocity for the given time interval.
A. 0 m, 0 m/sec B. -200 m, -20 m/sec C. 200 m, -10 m/sec D. 200 m, 20 m/sec
Mathematics
Use rational exponents to simplify the expression, if possible. Then, write the answer in radical form.
A. 2187
B. 
C. 729
D. 243
Mathematics
Graph the function.y = 4 sec 
A. 
B. 
C. 
D. 
Mathematics
Factor completely. If the polynomial cannot be factored, write "prime."250k3m - 16m4
A. 2m(5k - 2m)(25k2 + 10km + 4m2) B. 2m(125k - 2m)(k2 + 10km + 4m2) C. (10km - 4m2)(25k2 + 4m2) D. 2m(5k + 2m2)(25k2 - 10km + 4km2)
Mathematics