Determine whether the following is an expression or an equation. If it is an expression, simplify if possible and evaluate it for x = 2. If it is an equation, solve it.
+ 
A. Equation; 0
B. Expression; 1; 2
C. Expression; 1; 1
D. Equation; 1
Answer: C
Mathematics
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Solve the initial value problem.Differential Equation: 
= 
(t + 3)1/2i + etjInitial Condition: r(0) = 0
A. r(t) = (t + 3)3/2i + etj B. r(t) = [(t + 3)5/2 - 35/2]i + (et - 1)j C. r(t) = [(t + 3)3/2 + 33/2]i + (et + 1)j D. r(t) = [(t + 3)3/2 - 33/2]i + (et - 1)j
Mathematics
Evaluate.Find (f + g)(4) when f(x) = x - 5 and g(x) = x + 3.
A. 16 B. 0 C. 10 D. 6
Mathematics
Solve.7 - 4x + 1 ? -5x + 5
A. x < -4 B. x ? -3 C. x > -4 D. x ? -3
Mathematics
Multiply or divide the rational numbers. Express the product or quotient as a rational number in lowest terms.
A. 3
B. 
C. 
D. 
Mathematics