Graph the function.y = -cot x
A. 
B. 
C. 
D. 
Answer: B
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Find the quadratic approximation of f at x = 0.f(x) = tan-1 4x
A. Q(x) = 4x B. Q(x) = 1 + 4x2 C. Q(x) 1 + 2x2 D. Q(x) = 1 - 4x2
Estimate the sum, difference, product, or quotient involved in the problem.An advertisement states that television sets are on sale at B&G Electronics. The prices are: src="https://sciemce.com/media/4/ppg__rrr0708191005__f1q142g5.jpg" alt="" style="vertical-align: -4.0px;" /> set cost than a 
set, $147.99; 19-inch set, $208.95; 
set, $231.99; 
set, $289.97; 
set, $519.97. About how much more does a 
set? Estimate to the nearest ten.
A. $130
B. $150
C. $120
D. $140
Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2
A. 8 log2x + 7 log2y + log25 B. (8 log2x)(7 log2y) - log25 C. 8 log2x - 7 log2y - log25 D. 8 log2x + 7 log2y - log25
Find the perimeter.A lot has sides measuring 5
, 5
, 3
, and 4
yards.
A. (104 + 20
) yards
B. (72
) yards
C. (52 + 20
) yards
D. (52
+ 20
) yards