2010013001 Level: BConsider values 0.7−0.5; (58)6; (32)−5; 3.50; 0.44; 53. Without using a calculator, determine how many of the values are greater than 1.2431
2010010204 Level: AIn the following list identify a point which is not on the graph of the function f(x)=4−(12)x.A=[−2;8]B=[1;72]C=[−1;2]D=[0;3]E=[−3;−4]F=[2;154]
2010010203 Level: AIn the following list identify a function whose graph passes through the points [2;6] and [4;14].f(x)=(13)2−x+5f(x)=(13)2−x−5f(x)=(13)x−2−5f(x)=5−(13)x−2f(x)=5+(13)x−2f(x)=5−(13)2−x
2010010202 Level: BUsing properties of exponential function convert the following inequality to an explicit inequality for the parameter a. (5−3)a+2>(5−3)4a−1a>1a<1a>00<a<1
2010010201 Level: BWhich values of the real parameter p ensure that the function f(x)=(p−2p+5)x is an increasing function?p∈(−∞;−5)p∈Rp∈(−∞;−5)∪(2;∞)p∈(−5;−2)
Transformations of Graphs of Exponential Functions Submitted by ladislav.foltyn on Sat, 02/16/2019 - 12:03
Exponential Inequalities -- Same Base Submitted by ladislav.foltyn on Fri, 02/15/2019 - 13:46 Question: In the table, indicate for which values of the real parameter a the given inequality is satisfied.
1003101102 Level: CFind the false statement about the function f(x)=(12)|x|.The function f has the minimum at x=0.The function f has the maximum at x=0.The function f is bounded.The function f is even.
1103082704 Level: CFunction f is given completely by the next graph. Identify which of the following statements is true.f(x)=2|x|; x∈[−2;2]f(x)=|2x|; x∈[−2;2]f(x)=|x2+1|; x∈[−2;2]f(x)=|2−x|; x∈[−2;2]