Solve the system of equations by substitution.2x + 9y = -8 x + 
y = 
A. (5, -2)
B. (5, 2)
C. (-5, 2)
D. ( -5, -2)
Answer: A
Mathematics
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Use a CAS to perform the integration.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Mathematics
Find the x- and y-intercepts. If no x-intercepts exist, state so. Round to two decimal places if necessary.f(x) = -x2 + 36
A. x-intercepts (6, 0) and (-6, 0); y-intercept (0, 36) B. No x-intercept; y-intercept (0, 6) C. x-intercepts (0, 6) and (0, -6); y-intercept (0, 0) D. x-intercept (6, 0); y-intercept (0, 36)
Mathematics
Round the number as requested.6,433 to the nearest hundred
A. 6,400 B. 6,410 C. 6,500 D. 6,300
Mathematics
Decide whether the relation defines a function.{(-5, 4), (-2, -8), (-1, 8), (7, -2)}
A. Not a function B. Function
Mathematics