Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Answer: B
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) = -3x2, [0, 4], left-hand endpoint
A. 
B. 
C. 
D. 
Mathematics
Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with y-intercepts ±8; foci at 
and 
.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve for x, where x is a real number.3?x = 243
A. 5
B. 
C. ?5
D. ?6
Mathematics
Estimate by rounding as directed.0.06 + 97 + 0.73; nearest one
A. 101 B. 99 C. 96 D. 98
Mathematics