Find the exact value of the square root without a calculator.-
A. 25
B. -312
C. 312
D. -25
Answer: D
Mathematics
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = -2x - 1, [0, 2], left-hand endpoint
A. 
B. 
C. 
D. 
Mathematics
Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. no solution; ?
B. {(1, 1)}
C. infinitely many solutions; {
y - 4x = 6} or {
6y = 24x + 36}
D. {(-1.5, -1)}
Mathematics
Evaluate the function.If f(x) = x2 - 3x + 5, find f(4).
A. -1 B. 9 C. 33 D. 23
Mathematics
Eliminate the parameter to find a Cartesian equation of the curve.
 FIGURE 1.png)
Mathematics