The graph of a function f is given. Use the graph to answer the question.For which of the following values of x does f(x) = -40?
A. 0
B. 30
C. 20
D. -40
Answer: C
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Select letters to represent the simple statements and write each statement symbolically by using parentheses then indicate whether the statement is a negation, conjunction, disjunction, conditional, or biconditional.If tomorrow is not Saturday then today is Friday if and only if tomorrow is Saturday.
A. ~p ? (q ? p); conditional B. (~p ? q) ? p; conditional C. (~p ? q) ? p; biconditional D. ~[(p ? q) ? p]; negation
Four players (A, B, C, and D) agree to divide the 14 items shown below by lining them up in order and using the method of markers. The players' bids are as indicated.
Item 13
A. goes to A. B. goes to B. C. goes to C. D. goes to D. E. is left over.
Factor completely.r4 - 2r2t2 + t4
A. (r - t)(r + t)(r2 + t2) B. (r - t)(r + t) C. (r2 - t2)2 D. (r - t)2(r + t)2
Change the fraction or mixed number into an equivalent decimal. Use bar notation to write repeating decimals. - 
A. -1.125
B. -0.
C. -2.25
D. -0.225