Graph the function. Then use your graph to find the indicated limit.f(x) = 
, 
f(x)
A. -3
B. 3
C. 15
D. -15
Answer: C
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Find the cardinal number for the set.B = {x | x is a number on a clock face}
A. n(B) = 6 B. n(B) = 3 C. n(B) = 24 D. n(B) = 12
Perform the calculation.76°22' - 31°48'
A. 45°26' B. 44°34' C. 45°48' D. 107°70'
Solve the problem.The sum of three numbers is 12. If the second number is subtracted from the sum of the first and third numbers, the result is 2. If the third number is subtracted from the sum of the first and second numbers, the result is 4. Find the three numbers.[Hint: let x represent the first number, y the second number, and z the third number. Use the given conditions to write and solve a system of equations.]
A. x = 3, y = 5, z = 4 B. x = 1, y = 7, z = 4 C. x = 4, y = 6, z = 2 D. x = 4, y = 5, z = 3
Write the English phrase as an algebraic expression. Then simplify the expression. Let x represent the number.eight times the product of 3 and a number.
A. 8(3x); 24x
B. 8
; 
x
C. 8 + 3x; 11x
D. 8(x + 3); 8x + 3