Write the vector v in the form v1i + v2j, given
and the direction angle ? of v.
= 13, ? = 
A. - i -
j
B. i +
j
C. - i -
j
D. - i -
j
Answer: A
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Determine how many components the graph has.
A. 4 B. 2 C. 5 D. 1
Solve the problem.To the nearest dollar, the average tuition at a public four-year college was the year Jane enrolled there and
when her sister began college 2 years later. Find, to the nearest dollar per year, the rate at which tuition was increasing.
A. $118 per year B. $124 per year C. $107 per year D. $128 per year
Write an algebraic equation and use it to solve the problem.Don James wants to invest $54,000 to earn $4700 per year. He can invest in bonds paying
per year or in a Certificate of Deposit (CD) paying
per year. How much money should be invested in each to realize exactly $4700 in interest per year?
A. $28,000 in B-rated bonds and $26,000 in a CD B. $29,000 in B-rated bonds and $25,000 in a CD C. $25,000 in B-rated bonds and $29,000 in a CD D. $26,000 in B-rated bonds and $28,000 in a CD
It is not apparent from the standard viewing window whether the graph of the quadratic function intersects the x-axis once, twice, or not at all. Experiment with various windows to determine the number of x-intercepts. If there are x-intercepts, give their values to the nearest hundredth.y = x2 + 7.9x + 15.6025
A. Two; (-3.95, 0) and (-3.90, 0) B. One; (-3.95, 0) C. One; (-4.25, 0) D. None