Help me with these functionsa) hf(x) and hence hf(x)=12b) gf(x) and hence gf(2)c) if(x) and hence if(10)d) fh(x) and hence fh(-6)e) hi(x) and hence hi(6)f) gg(x) and hence gg(3)g) hfg (x) and hence hfg(-7)h) hfi(x) and hence hfi(-4)i) ffg(x) and hence ffg(-1)j) fhf(x) and hence fhf(1/2)I do not understand these questions i am meant to answer i would really appreaciate help

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.