Solve the application problem.Mari works in sales. Her annual income is $33,000 plus 19% commission of her sales. What are the independent and dependent variables in this relation? Is the relation a function?
A. independent: sales, dependent: annual income; no
B. independent: annual income, dependent: sales; yes
C. independent: sales, dependent: annual income; yes
D. independent: annual income, dependent: sales; no
Answer: C
Mathematics
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Solve the initial value problem.Differential Equation: 
= i + (6t3 - 3t)j + 
kInitial Condition: r(0) = 2j + (ln 8)k
A. r(t) = ti + 
j + ln(t + 8)k
B. r(t) = i + 
j + (ln 8)k
C. r(t) = ti + 
j + (ln 8)k
D. r(t) = ti + 
j + (ln t)k
Mathematics
Find the zeros of the function. Give exact answers.f(x) = x2 + 6x + 5
A. -5, 1 B. 5, 1 C. -7, -1 D. -5, -1
Mathematics
Solve:
Mathematics
Multiply.(a - 3)(a + 3)
A. a2 - 9 B. a2 + 6a - 9 C. a2 - 6 D. a2 - 6a - 9
Mathematics