Determine whether the argument is valid or invalid.The Rams will be in the playoffs if and only if Ozzie is an all-star. Mark loves the Rams or Ozzie is an all-star. Mark does not love the Rams. Therefore, the Rams will not be in the playoffs.
A. Valid
B. Invalid
Answer: B
Mathematics
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 3 and x = 7 using a left sum with four rectangles of equal width.
A. 126 B. 86 C. 105 D. 117
Mathematics
Multiply and simplify.
? 
A. - 
B. - 
C. 
D. - 
Mathematics
Solve.Given that a1 = -4, a2 = -4 and an+2 = an+1 - 4an, what is the fifth term of this recursively defined sequence?
A. a5 = -308 B. a5 = 764 C. a5 = -20 D. a5 = 28
Mathematics
Evaluate the function for the indicated value.f(x) = 
; find f(-4)
A. - 
B. - 
C. - 
D. - 
Mathematics